Index: wp-admin/includes/plugin-install.php
===================================================================
--- wp-admin/includes/plugin-install.php	(revision 10356)
+++ wp-admin/includes/plugin-install.php	(working copy)
@@ -155,7 +155,9 @@
 								'name' => $tag['name'],
 								'id' => sanitize_title_with_dashes($tag['name']),
 								'count' => $tag['count'] );
+	echo '<p>';
 	echo wp_generate_tag_cloud($tags, array( 'single_text' => __('%d plugin'), 'multiple_text' => __('%d plugins') ) );
+	echo '</p><br class="clear" />';
 }
 
 /**
Index: wp-admin/includes/schema.php
===================================================================
--- wp-admin/includes/schema.php	(revision 10356)
+++ wp-admin/includes/schema.php	(working copy)
@@ -327,6 +327,7 @@
 	populate_roles_250();
 	populate_roles_260();
 	populate_roles_270();
+	populate_roles_280();
 }
 
 /**
@@ -530,4 +531,17 @@
 	}
 }
 
+/**
+ * Create and modify WordPress roles for WordPress 2.8.
+ *
+ * @since 2.8.0
+ */
+function populate_roles_280() {
+	$role =& get_role( 'administrator' );
+
+	if ( !empty( $role ) ) {
+		$role->add_cap( 'install_themes' );
+	}
+}
+
 ?>
Index: wp-admin/includes/theme-install.php
===================================================================
--- wp-admin/includes/theme-install.php	(revision 0)
+++ wp-admin/includes/theme-install.php	(revision 0)
@@ -0,0 +1,895 @@
+<?php
+/**
+ * WordPress Theme Install Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Retrieve theme installer pages from WordPress Themes API.
+ *
+ * It is possible for a theme to override the Themes API result with three
+ * filters. Assume this is for themes, which can extend on the Theme Info to
+ * offer more choices. This is very powerful and must be used with care, when
+ * overridding the filters.
+ *
+ * The first filter, 'themes_api_args', is for the args and gives the action as
+ * the second parameter. The hook for 'themes_api_args' must ensure that an
+ * object is returned.
+ *
+ * The second filter, 'themes_api', is the result that would be returned.
+ *
+ * @since 2.8.0
+ *
+ * @param string $action
+ * @param array|object $args Optional. Arguments to serialize for the Theme Info API.
+ * @return mixed
+ */
+function themes_api($action, $args = null) {
+
+	if( is_array($args) )
+		$args = (object)$args;
+
+	if ( !isset($args->per_page) )
+		$args->per_page = 24;
+
+	$args = apply_filters('themes_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter.
+	$res = apply_filters('themes_api', false, $action, $args); //NOTE: Allows a theme to completely override the builtin WordPress.org API.
+
+	if ( ! $res ) {
+		$request = wp_remote_post('http://api.wordpress.org/themes/info/1.0/', array( 'body' => array('action' => $action, 'request' => serialize($args))) );
+		if ( is_wp_error($request) ) {
+			$res = new WP_Error('themes_api_failed', __('An Unexpected HTTP Error occured during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $request->get_error_message() );
+		} else {
+			$res = unserialize($request['body']);
+			if ( ! $res )
+				$res = new WP_Error('themes_api_failed', __('An unknown error occured'), $request['body']);
+		}
+	}
+
+	return apply_filters('themes_api_result', $res, $action, $args);
+}
+
+/**
+ * Retrieve popular WordPress theme tags.
+ *
+ * @since 2.8.0
+ *
+ * @param array $args
+ * @return array
+ */
+function install_themes_popular_tags( $args = array() ) {
+	if ( !$cache = get_option('wporg_theme_popular_tags') )
+		add_option('wporg_theme_popular_tags', array(), '', 'no'); ///No autoload.
+
+	if ( $cache && $cache->timeout + 3 * 60 * 60 > time() )
+		return $cache->cached;
+
+	$tags = themes_api('hot_tags', $args);
+
+	if ( is_wp_error($tags) )
+		return $tags;
+
+	$cache = (object) array('timeout' => time(), 'cached' => $tags);
+
+	update_option('wporg_theme_popular_tags', $cache);
+
+	return $tags;
+}
+
+add_action('install_themes_search', 'install_theme_search', 10, 1);
+/**
+ * Display theme search results and display as tag cloud.
+ *
+ * @since 2.8.0
+ *
+ * @param string $page
+ */
+function install_theme_search($page) {
+	$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
+	$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
+
+	$args = array();
+
+	switch( $type ){
+		case 'tag':
+			$args['tag'] = sanitize_title_with_dashes($term);
+			break;
+		case 'term':
+			$args['search'] = $term;
+			break;
+		case 'author':
+			$args['author'] = $term;
+			break;
+	}
+
+	$args['page'] = $page;
+
+	$api = themes_api('query_themes', $args);
+
+	if ( is_wp_error($api) )
+		wp_die($api);
+
+	add_action('install_themes_table_header', 'install_theme_search_form');
+
+	display_themes($api->themes, $api->info['page'], $api->info['pages']);
+}
+
+add_action('install_themes_dashboard', 'install_themes_dashboard');
+function install_themes_dashboard() {
+	?>
+	<p><?php _e('Themes give your WordPress a personalized feel &amp; touch. You may automatically install themes from the <a href="http://wordpress.org/extend/themes/">WordPress Theme Directory</a> or upload a theme in .zip format via this page.') ?></p>
+
+	<h4><?php _e('Search') ?></h4>
+	<?php install_theme_search_form('<a href="' . add_query_arg('show-help', !isset($_REQUEST['show-help'])) .'" onclick="jQuery(\'#search-help\').toggle(); return false;">' . __('[need help?]') . '</a>') ?>
+	<div id="search-help" style="display: <?php echo isset($_REQUEST['show-help']) ? 'block' : 'none'; ?>;">
+	<p>	<?php _e('You may search based on 3 criteria:') ?><br />
+		<?php _e('<strong>Term:</strong> Searches theme names and descriptions for the specified term') ?><br />
+		<?php _e('<strong>Tag:</strong> Searches for themes tagged as such') ?><br />
+		<?php _e('<strong>Author:</strong> Searches for themes created by the Author, or which the Author contributed to.') ?></p>
+	</div>
+
+	<h4><?php _e('Install a theme in .zip format') ?></h4>
+	<p><?php _e('If you have a theme in a .zip format, You may install it by uploading it here.') ?></p>
+	<form method="post" enctype="multipart/form-data" action="<?php echo admin_url('theme-install.php?tab=upload') ?>">
+		<?php wp_nonce_field( 'theme-upload') ?>
+		<input type="file" name="themezip" />
+		<input type="submit" class="button" value="<?php _e('Install Now') ?>" />
+	</form>
+
+	<h4><?php _e('Popular tags') ?></h4>
+	<p><?php _e('You may also browse based on the most popular tags in the Theme Directory:') ?></p>
+	<?php
+
+	$api_tags = install_themes_popular_tags();
+
+	//Set up the tags in a way which can be interprated by wp_generate_tag_cloud()
+	$tags = array();
+	foreach ( (array)$api_tags as $tag )
+		$tags[ $tag['name'] ] = (object) array(
+								'link' => clean_url( admin_url('theme-install.php?tab=search&type=tag&s=' . urlencode($tag['name'])) ),
+								'name' => $tag['name'],
+								'id' => sanitize_title_with_dashes($tag['name']),
+								'count' => $tag['count'] );
+	echo '<p>';
+	echo wp_generate_tag_cloud($tags, array( 'single_text' => __('%d theme'), 'multiple_text' => __('%d themes') ) );
+	echo '</p><br class="clear" />';
+}
+
+/**
+ * Display search form for searching themes.
+ *
+ * @since 2.8.0
+ */
+function install_theme_search_form(){
+	$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
+	$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
+
+	?><form id="search-themes" method="post" action="<?php echo admin_url('theme-install.php?tab=search') ?>">
+		<select name="type" id="typeselector">
+			<option value="term"<?php selected('term', $type) ?>><?php _e('Term') ?></option>
+			<option value="author"<?php selected('author', $type) ?>><?php _e('Author') ?></option>
+			<option value="tag"<?php selected('tag', $type) ?>><?php _e('Tag') ?></option>
+		</select>
+		<input type="text" name="s" id="search-field" value="<?php echo attribute_escape($term) ?>" />
+		<input type="submit" name="search" value="<?php echo attribute_escape(__('Search')) ?>" class="button" />
+	</form><?php
+}
+
+add_action('install_themes_featured', 'install_themes_featured', 10, 1);
+/**
+ * Display featured themes.
+ *
+ * @since 2.8.0
+ *
+ * @param string $page
+ */
+function install_themes_featured($page = 1) {
+	$args = array('browse' => 'featured', 'page' => $page);
+	$api = themes_api('query_themes', $args);
+	if ( is_wp_error($api) )
+		wp_die($api);
+	display_themes($api->themes, $api->info['page'], $api->info['pages']);
+}
+
+add_action('install_thems_popular', 'install_themes_popular', 10, 1);
+/**
+ * Display popular themes.
+ *
+ * @since 2.8.0
+ *
+ * @param string $page
+ */
+function install_themes_popular($page = 1) {
+	$args = array('browse' => 'popular', 'page' => $page);
+	$api = themes_api('query_themes', $args);
+	display_themes($api->themes, $api->info['page'], $api->info['pages']);
+}
+
+add_action('install_themes_new', 'install_themes_new', 10, 1);
+/**
+ * Display new themes/
+ *
+ * @since 2.8.0
+ *
+ * @param string $page
+ */
+function install_themes_new($page = 1) {
+	$args = array('browse' => 'new', 'page' => $page);
+	$api = themes_api('query_themes', $args);
+	if ( is_wp_error($api) )
+		wp_die($api);
+	display_themes($api->themes, $api->info['page'], $api->info['pages']);
+}
+
+add_action('install_themes_updated', 'install_themes_updated', 10, 1);
+/**
+ * Display recently updated themes.
+ *
+ * @since 2.8.0
+ *
+ * @param string $page
+ */
+function install_themes_updated($page = 1) {
+	$args = array('browse' => 'updated', 'page' => $page);
+	$api = themes_api('query_themes', $args);
+	display_themes($api->themes, $api->info['page'], $api->info['pages']);
+}
+
+/**
+ * Display theme content based on theme list.
+ *
+ * @since 2.8.0
+ *
+ * @param array $themes List of themes.
+ * @param string $page
+ * @param int $totalpages Number of pages.
+ */
+function display_themes($themes, $page = 1, $totalpages = 1) {
+	$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
+	$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
+
+	$themes_allowedtags = array('a' => array('href' => array(),'title' => array(), 'target' => array()),
+								'abbr' => array('title' => array()),'acronym' => array('title' => array()),
+								'code' => array(), 'pre' => array(), 'em' => array(),'strong' => array());
+
+?>
+	<div class="tablenav">
+		<div class="alignleft actions">
+		<?php do_action('install_themes_table_header'); ?>
+		</div>
+		<?php
+			$url = clean_url($_SERVER['REQUEST_URI']);
+			if ( ! empty($term) )
+				$url = add_query_arg('s', $term, $url);
+			if ( ! empty($type) )
+				$url = add_query_arg('type', $type, $url);
+
+			$page_links = paginate_links( array(
+				'base' => add_query_arg('paged', '%#%', $url),
+				'format' => '',
+				'prev_text' => __('&laquo;'),
+				'next_text' => __('&raquo;'),
+				'total' => $totalpages,
+				'current' => $page
+			));
+
+			if ( $page_links )
+				echo "\t\t<div class='tablenav-pages'>$page_links</div>";
+?>
+		<br class="clear" />
+	</div>
+	<table class="widefat" id="install-themes" cellspacing="0">
+		<thead>
+			<tr>
+				<th scope="col" class="name"><?php _e('Name'); ?></th>
+				<th scope="col" class="num"><?php _e('Version'); ?></th>
+				<th scope="col" class="num"><?php _e('Rating'); ?></th>
+				<th scope="col" class="desc"><?php _e('Description'); ?></th>
+				<th scope="col" class="action-links"><?php _e('Actions'); ?></th>
+			</tr>
+		</thead>
+
+		<tfoot>
+			<tr>
+				<th scope="col" class="name"><?php _e('Name'); ?></th>
+				<th scope="col" class="num"><?php _e('Version'); ?></th>
+				<th scope="col" class="num"><?php _e('Rating'); ?></th>
+				<th scope="col" class="desc"><?php _e('Description'); ?></th>
+				<th scope="col" class="action-links"><?php _e('Actions'); ?></th>
+			</tr>
+		</tfoot>
+
+		<tbody class="themes">
+		<?php
+			if( empty($themes) )
+				echo '<tr><td colspan="5">', __('No themes match your request.'), '</td></tr>';
+
+			foreach( (array) $themes as $theme ){
+				if ( is_object($theme) )
+					$theme = (array) $theme;
+
+				$title = wp_kses($theme['name'], $themes_allowedtags);
+				$description = wp_kses($theme['description'], $themes_allowedtags);
+				$version = wp_kses($theme['version'], $themes_allowedtags);
+
+				$name = strip_tags($title . ' ' . $version);
+
+				$author = $theme['author'];
+				if( ! empty($theme['author']) )
+					$author = ' <cite>' . sprintf( __('By %s'), $author ) . '.</cite>';
+
+				$author = wp_kses($author, $themes_allowedtags);
+
+				if( isset($theme['homepage']) )
+					$title = '<a target="_blank" href="' . attribute_escape($theme['homepage']) . '">' . $title . '</a>';
+
+				$action_links = array();
+				$action_links[] = '<a href="' . admin_url('theme-install.php?tab=theme-information&amp;theme=' . $theme['slug'] .
+									'&amp;TB_iframe=true&amp;width=600&amp;height=800') . '" class="thickbox onclick" title="' .
+									attribute_escape($name) . '">' . __('Install') . '</a>';
+
+				$action_links = apply_filters('theme_install_action_links', $action_links, $theme);
+			?>
+			<tr>
+				<td class="name"><?php echo $title; ?></td>
+				<td class="vers"><?php echo $version; ?></td>
+				<td class="vers">
+					<div class="star-holder" title="<?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $theme['num_ratings']), number_format_i18n($theme['num_ratings'])) ?>">
+						<div class="star star-rating" style="width: <?php echo attribute_escape($theme['rating']) ?>px"></div>
+						<div class="star star5"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('5 stars') ?>" /></div>
+						<div class="star star4"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('4 stars') ?>" /></div>
+						<div class="star star3"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('3 stars') ?>" /></div>
+						<div class="star star2"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('2 stars') ?>" /></div>
+						<div class="star star1"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('1 star') ?>" /></div>
+					</div>
+				</td>
+				<td class="desc"><p><?php echo $description, $author; ?></p></td>
+				<td class="action-links"><?php if ( !empty($action_links) )	echo implode(' | ', $action_links); ?></td>
+			</tr>
+			<?php
+			}
+			?>
+		</tbody>
+	</table>
+
+	<div class="tablenav">
+		<?php if ( $page_links )
+				echo "\t\t<div class='tablenav-pages'>$page_links</div>"; ?>
+		<br class="clear" />
+	</div>
+
+<?php
+}
+
+add_action('install_themes_pre_theme-information', 'install_theme_information');
+
+/**
+ * Display theme information in dialog box form.
+ *
+ * @since 2.8.0
+ */
+function install_theme_information() {
+	//TODO: This function needs a LOT of UI work :)
+	global $tab;
+
+	$api = themes_api('theme_information', array('slug' => stripslashes( $_REQUEST['theme'] ) ));
+
+	if ( is_wp_error($api) )
+		wp_die($api);
+
+	$themes_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),
+								'abbr' => array('title' => array()), 'acronym' => array('title' => array()),
+								'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
+								'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
+								'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
+								'img' => array('src' => array(), 'class' => array(), 'alt' => array()));
+	//Sanitize HTML
+	foreach ( (array)$api->sections as $section_name => $content )
+		$api->sections[$section_name] = wp_kses($content, $themes_allowedtags);
+	foreach ( array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key )
+		$api->$key = wp_kses($api->$key, $themes_allowedtags);
+
+	$section = isset($_REQUEST['section']) ? stripslashes( $_REQUEST['section'] ) : 'description'; //Default to the Description tab, Do not translate, API returns English.
+	if( empty($section) || ! isset($api->sections[ $section ]) )
+		$section = array_shift( $section_titles = array_keys((array)$api->sections) );
+
+	iframe_header( __('Theme Install') );
+	echo "<div id='$tab-header'>\n";
+	echo "<ul id='sidemenu'>\n";
+	foreach ( (array)$api->sections as $section_name => $content ) {
+
+		$title = $section_name;
+		$title = ucwords(str_replace('_', ' ', $title));
+
+		$class = ( $section_name == $section ) ? ' class="current"' : '';
+		$href = add_query_arg( array('tab' => $tab, 'section' => $section_name) );
+		$href = clean_url($href);
+		$san_title = attribute_escape(sanitize_title_with_dashes($title));
+		echo "\t<li><a name='$san_title' target='' href='$href'$class>$title</a></li>\n";
+	}
+	echo "</ul>\n";
+	echo "</div>\n";
+	?>
+	<div class="alignright fyi">
+		<?php if ( ! empty($api->download_link) ) : ?>
+		<p class="action-button">
+		<?php
+			//Default to a "new" theme
+			$type = 'install';
+			//Check to see if this theme is known to be installed, and has an update awaiting it.
+			$update_themes = get_option('update_themes');
+			foreach ( (array)$update_themes->response as $file => $theme ) {
+				if ( $theme->slug === $api->slug ) {
+					$type = 'update_available';
+					$update_file = $file;
+					break;
+				}
+			}
+			/*if ( 'install' == $type && is_dir( WP_PLUGIN_DIR  . '/' . $api->slug ) ) {
+				$installed_theme = get_themes('/' . $api->slug);
+				if ( ! empty($installed_theme) ) {
+					$key = array_shift( $key = array_keys($installed_theme) ); //Use the first theme regardless of the name, Could have issues for multiple-themes in one directory if they share different version numbers
+					if ( version_compare($api->version, $installed_theme[ $key ]['Version'], '>') ){
+						$type = 'latest_installed';
+					} elseif ( version_compare($api->version, $installed_theme[ $key ]['Version'], '<') ) {
+						$type = 'newer_installed';
+						$newer_version = $installed_theme[ $key ]['Version'];
+					} else {
+						//If the above update check failed, Then that probably means that the update checker has out-of-date information, force a refresh
+						delete_option('update_themes');
+						$update_file = $api->slug . '/' . $key; //This code branch only deals with a theme which is in a folder the same name as its slug, Doesnt support themes which have 'non-standard' names
+						$type = 'update_available';
+					}
+				}
+			}*/
+
+			switch ( $type ) :
+				default:
+				case 'install':
+					if ( current_user_can('install_themes') ) :
+				?><a href="<?php echo wp_nonce_url(admin_url('theme-install.php?tab=install&theme=' . $api->slug), 'install-theme_' . $api->slug) ?>" target="_parent"><?php _e('Install Now') ?></a><?php
+					endif;
+				break;
+				case 'update_available':
+					if ( current_user_can('update_themes') ) :
+						?><a href="<?php echo wp_nonce_url(admin_url('update.php?action=upgrade-theme&theme=' . $update_file), 'upgrade-theme_' . $update_file) ?>" target="_parent"><?php _e('Install Update Now') ?></a><?php
+					endif;
+				break;
+				case 'newer_installed':
+					if ( current_user_can('install_themes') || current_user_can('update_themes') ) :
+					?><a><?php printf(__('Newer Version (%s) Installed'), $newer_version) ?></a><?php
+					endif;
+				break;
+				case 'latest_installed':
+					if ( current_user_can('install_themes') || current_user_can('update_themes') ) :
+					?><a><?php _e('Latest Version Installed') ?></a><?php
+					endif;
+				break;
+			endswitch; ?>
+		</p>
+		<?php endif; ?>
+		<h2 class="mainheader"><?php _e('FYI') ?></h2>
+		<ul>
+<?php if ( ! empty($api->version) ) : ?>
+			<li><strong><?php _e('Version:') ?></strong> <?php echo $api->version ?></li>
+<?php endif; if ( ! empty($api->author) ) : ?>
+			<li><strong><?php _e('Author:') ?></strong> <?php echo links_add_target($api->author, '_blank') ?></li>
+<?php endif; if ( ! empty($api->last_updated) ) : ?>
+			<li><strong><?php _e('Last Updated:') ?></strong> <span title="<?php echo $api->last_updated ?>"><?php
+							printf( __('%s ago'), human_time_diff(strtotime($api->last_updated)) ) ?></span></li>
+<?php endif; if ( ! empty($api->requires) ) : ?>
+			<li><strong><?php _e('Requires WordPress Version:') ?></strong> <?php printf(__('%s or higher'), $api->requires) ?></li>
+<?php endif; if ( ! empty($api->tested) ) : ?>
+			<li><strong><?php _e('Compatible up to:') ?></strong> <?php echo $api->tested ?></li>
+<?php endif; if ( ! empty($api->downloaded) ) : ?>
+			<li><strong><?php _e('Downloaded:') ?></strong> <?php printf(__ngettext('%s time', '%s times', $api->downloaded), number_format_i18n($api->downloaded)) ?></li>
+<?php endif; if ( ! empty($api->slug) ) : ?>
+			<li><a target="_blank" href="http://wordpress.org/extend/themes/<?php echo $api->slug ?>/"><?php _e('WordPress.org Theme Page &#187;') ?></a></li>
+<?php endif; if ( ! empty($api->homepage) ) : ?>
+			<li><a target="_blank" href="<?php echo $api->homepage ?>"><?php _e('Theme Homepage  &#187;') ?></a></li>
+<?php endif; ?>
+		</ul>
+		<h2><?php _e('Average Rating') ?></h2>
+		<div class="star-holder" title="<?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?>">
+			<div class="star star-rating" style="width: <?php echo attribute_escape($api->rating) ?>px"></div>
+			<div class="star star5"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('5 stars') ?>" /></div>
+			<div class="star star4"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('4 stars') ?>" /></div>
+			<div class="star star3"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('3 stars') ?>" /></div>
+			<div class="star star2"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('2 stars') ?>" /></div>
+			<div class="star star1"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('1 star') ?>" /></div>
+		</div>
+		<small><?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?></small>
+	</div>
+	<div id="section-holder" class="wrap">
+	<?php
+		if ( version_compare($GLOBALS['wp_version'], $api->tested, '>') )
+			echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has <strong>not been tested</strong> with your current version of WordPress.') . '</p></div>';
+		else if ( version_compare($GLOBALS['wp_version'], $api->requires, '<') )
+			echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has not been marked as <strong>compatible</strong> with your version of WordPress.') . '</p></div>';
+		foreach ( (array)$api->sections as $section_name => $content ) {
+			$title = $section_name;
+			$title[0] = strtoupper($title[0]);
+			$title = str_replace('_', ' ', $title);
+
+			$content = links_add_base_url($content, 'http://wordpress.org/extend/themes/' . $api->slug . '/');
+			$content = links_add_target($content, '_blank');
+
+			$san_title = attribute_escape(sanitize_title_with_dashes($title));
+
+			$display = ( $section_name == $section ) ? 'block' : 'none';
+
+			echo "\t<div id='section-{$san_title}' class='section' style='display: {$display};'>\n";
+			echo "\t\t<h2 class='long-header'>$title</h2>";
+			echo $content;
+			echo "\t</div>\n";
+		}
+	echo "</div>\n";
+
+	iframe_footer();
+	exit;
+}
+
+
+add_action('install_themes_upload', 'upload_theme');
+function upload_theme() {
+
+	if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
+		wp_die($uploads['error']);
+
+	if ( !empty($_FILES) )
+		$filename = $_FILES['themezip']['name'];
+	else if ( isset($_GET['package']) )
+		$filename = $_GET['package'];
+
+	check_admin_referer('theme-upload');
+
+	echo '<div class="wrap">';
+	echo '<h2>', sprintf( __('Installing Theme from file: %s'), basename($filename) ), '</h2>';
+
+	//Handle a newly uploaded file, Else assume it was
+	if ( !empty($_FILES) ) {
+		$filename = wp_unique_filename( $uploads['basedir'], $filename );
+		$local_file = $uploads['basedir'] . '/' . $filename;
+
+		// Move the file to the uploads dir
+		if ( false === @ move_uploaded_file( $_FILES['themezip']['tmp_name'], $local_file) )
+			wp_die( sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path']));
+	} else {
+		$local_file = $uploads['basedir'] . '/' . $filename;
+	}
+
+	do_theme_install_local_package($local_file, $filename);
+	echo '</div>';
+}
+
+add_action('install_themes_install', 'install_theme');
+
+/**
+ * Display theme link and execute install.
+ *
+ * @since 2.8.0
+ */
+function install_theme() {
+
+	$theme = isset($_REQUEST['theme']) ? stripslashes( $_REQUEST['theme'] ) : '';
+
+	check_admin_referer('install-theme_' . $theme);
+	$api = themes_api('theme_information', array('slug' => $theme, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
+
+	if ( is_wp_error($api) )
+		wp_die($api);
+
+	echo '<div class="wrap">';
+	echo '<h2>', sprintf( __('Installing Theme: %s'), $api->name . ' ' . $api->version ), '</h2>';
+
+	do_theme_install($api->download_link, $api);
+	echo '</div>';
+
+}
+
+/**
+ * Retrieve theme and install.
+ *
+ * @since 2.8.0
+ *
+ * @param string $download_url Download URL.
+ * @param object $theme_information Optional. Theme information
+ */
+function do_theme_install($download_url, $theme_information = null) {
+	global $wp_filesystem;
+
+	if ( empty($download_url) ) {
+		show_message( __('No theme Specified') );
+		return;
+	}
+
+	$theme = isset($_REQUEST['theme']) ? stripslashes( $_REQUEST['theme'] ) : '';
+
+	$url = 'theme-install.php?tab=install';
+	$url = add_query_arg(array('theme' => $theme, 'theme_name' => stripslashes( $_REQUEST['theme_name'] ), 'download_url' => stripslashes( $_REQUEST['download_url'] ) ), $url);
+
+	$url = wp_nonce_url($url, 'install-theme_' . $theme);
+	if ( false === ($credentials = request_filesystem_credentials($url)) )
+		return;
+
+	if ( ! WP_Filesystem($credentials) ) {
+		request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again
+		return;
+	}
+
+	if ( $wp_filesystem->errors->get_error_code() ) {
+		foreach ( $wp_filesystem->errors->get_error_messages() as $message )
+			show_message($message);
+		return;
+	}
+
+	$result = wp_install_theme( $download_url, 'show_message' );
+
+	if ( is_wp_error($result) ) {
+		show_message($result);
+		show_message( __('Installation Failed') );
+	} else {
+		show_message( sprintf(__('Successfully installed the theme <strong>%s %s</strong>.'), $theme_information->name, $theme_information->version) );
+		$theme_file = $result;
+
+		$install_actions = apply_filters('install_theme_complete_actions', array(
+			//'activate_theme' => '<a href="' . wp_nonce_url('themes.php?action=activate&amp;theme=' . $theme_file, 'activate-theme_' . $theme_file) . '" title="' . attribute_escape(__('Activate this theme')) . '" target="_parent">' . __('Activate Theme') . '</a>',
+			'themes_page' => '<a href="' . admin_url('themes.php') . '" title="' . attribute_escape(__('Goto themes page')) . '" target="_parent">' . __('Return to Themes page') . '</a>'
+							), $theme_information, $theme_file);
+		if ( ! empty($install_actions) )
+			show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
+	}
+}
+
+/**
+ * Install a theme from a local file.
+ *
+ * @since 2.8.0
+ *
+ * @param string $package Local Theme zip
+ * @param string $filename Optional. Original filename
+ * @param object $theme_information Optional. Theme information
+ */
+function do_theme_install_local_package($package, $filename = '') {
+	global $wp_filesystem;
+
+	if ( empty($package) ) {
+		show_message( __('No theme Specified') );
+		return;
+	}
+
+	if ( empty($filename) )
+		$filename = basename($package);
+
+	$url = 'theme-install.php?tab=upload';
+	$url = add_query_arg(array('package' => $filename), $url);
+
+	$url = wp_nonce_url($url, 'theme-upload');
+	if ( false === ($credentials = request_filesystem_credentials($url)) )
+		return;
+
+	if ( ! WP_Filesystem($credentials) ) {
+		request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again
+		return;
+	}
+
+	if ( $wp_filesystem->errors->get_error_code() ) {
+		foreach ( $wp_filesystem->errors->get_error_messages() as $message )
+			show_message($message);
+		return;
+	}
+
+	$result = wp_install_theme_local_package( $package, 'show_message' );
+
+	if ( is_wp_error($result) ) {
+		show_message($result);
+		show_message( __('Installation Failed') );
+	} else {
+		show_message( __('Successfully installed the theme.') );
+		$theme_file = $result;
+
+		$install_actions = apply_filters('install_theme_complete_actions', array(
+							//'activate_theme' => '<a href="' . wp_nonce_url('themes.php?action=activate&amp;theme=' . $theme_file, 'activate-theme_' . $theme_file) . '" title="' . __('Activate this theme') . '" target="_parent">' . __('Activate Theme') . '</a>',
+							'themes_page' => '<a href="' . admin_url('themes.php') . '" title="' . __('Goto themes page') . '" target="_parent">' . __('Return to Themes page') . '</a>'
+							), array(), $theme_file);
+		if ( ! empty($install_actions) )
+			show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
+	}
+}
+
+/**
+ * Install theme.
+ *
+ * @since 2.8.0
+ *
+ * @param string $package
+ * @param string $feedback Optional.
+ * @return mixed.
+ */
+function wp_install_theme($package, $feedback = '') {
+	global $wp_filesystem;
+
+	if ( !empty($feedback) )
+		add_filter('install_feedback', $feedback);
+
+	// Is a filesystem accessor setup?
+	if ( ! $wp_filesystem || ! is_object($wp_filesystem) )
+		WP_Filesystem();
+
+	if ( ! is_object($wp_filesystem) )
+		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+	if ( $wp_filesystem->errors->get_error_code() )
+		return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors);
+
+	//Get the base theme folder
+	$themes_dir = $wp_filesystem->wp_themes_dir();
+	if ( empty($themes_dir) )
+		return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress Theme directory.'));
+
+	//And the same for the Content directory.
+	$content_dir = $wp_filesystem->wp_content_dir();
+	if( empty($content_dir) )
+		return new WP_Error('fs_no_content_dir', __('Unable to locate WordPress Content directory (wp-content).'));
+
+	$themes_dir = trailingslashit( $themes_dir );
+	$content_dir = trailingslashit( $content_dir );
+
+	if ( empty($package) )
+		return new WP_Error('no_package', __('Install package not available.'));
+
+	// Download the package
+	apply_filters('install_feedback', sprintf(__('Downloading theme package from %s'), $package));
+	$download_file = download_url($package);
+
+	if ( is_wp_error($download_file) )
+		return new WP_Error('download_failed', __('Download failed.'), $download_file->get_error_message());
+
+	$working_dir = $content_dir . 'upgrade/' . basename($package, '.zip');
+
+	// Clean up working directory
+	if ( $wp_filesystem->is_dir($working_dir) )
+		$wp_filesystem->delete($working_dir, true);
+
+	apply_filters('install_feedback', __('Unpacking the theme package'));
+	// Unzip package to working directory
+	$result = unzip_file($download_file, $working_dir);
+
+	// Once extracted, delete the package
+	@unlink($download_file);
+
+	if ( is_wp_error($result) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return $result;
+	}
+
+	//Get a list of the directories in the working directory before we delete it, We need to know the new folder for the theme
+	$filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
+
+	if( $wp_filesystem->exists( $themes_dir . $filelist[0] ) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return new WP_Error('install_folder_exists', __('Folder already exists.'), $filelist[0] );
+	}
+
+	apply_filters('install_feedback', __('Installing the theme'));
+	// Copy new version of theme into place.
+	$result = copy_dir($working_dir, $themes_dir);
+	if ( is_wp_error($result) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return $result;
+	}
+
+	//Get a list of the directories in the working directory before we delete it, We need to know the new folder for the theme
+	$filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
+
+	// Remove working directory
+	$wp_filesystem->delete($working_dir, true);
+
+	if( empty($filelist) )
+		return false; //We couldnt find any files in the working dir, therefor no theme installed? Failsafe backup.
+
+
+//TODO: TODO: TODO
+	$stylesheet = $filelist[0];
+//	$theme = get_themes('/' . $folder); //Ensure to pass with leading slash //TODO: TODO: TODO
+//	$themefiles = array_keys($theme); //Assume the requested theme is the first in the list
+
+	//Return the theme files name.
+	return  $stylesheet; //$folder . '/' . $themefiles[0];
+}
+
+/**
+ * Install theme from local package
+ *
+ * @since 2.8.0
+ *
+ * @param string $package
+ * @param string $feedback Optional.
+ * @return mixed.
+ */
+function wp_install_theme_local_package($package, $feedback = '') {
+	global $wp_filesystem;
+
+	if ( !empty($feedback) )
+		add_filter('install_feedback', $feedback);
+
+	// Is a filesystem accessor setup?
+	if ( ! $wp_filesystem || ! is_object($wp_filesystem) )
+		WP_Filesystem();
+
+	if ( ! is_object($wp_filesystem) )
+		return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+	if ( $wp_filesystem->errors->get_error_code() )
+		return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors);
+
+	//Get the base theme folder
+	$themes_dir = $wp_filesystem->wp_themes_dir();
+	if ( empty($themes_dir) )
+		return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress Theme directory.'));
+
+	//And the same for the Content directory.
+	$content_dir = $wp_filesystem->wp_content_dir();
+	if( empty($content_dir) )
+		return new WP_Error('fs_no_content_dir', __('Unable to locate WordPress Content directory (wp-content).'));
+
+	$themes_dir = trailingslashit( $themes_dir );
+	$content_dir = trailingslashit( $content_dir );
+
+	if ( empty($package) )
+		return new WP_Error('no_package', __('Install package not available.'));
+
+	$working_dir = $content_dir . 'upgrade/' . basename($package, '.zip');
+
+
+	// Clean up working directory
+	if ( $wp_filesystem->is_dir($working_dir) )
+		$wp_filesystem->delete($working_dir, true);
+
+	apply_filters('install_feedback', __('Unpacking the theme package'));
+	// Unzip package to working directory
+	$result = unzip_file($package, $working_dir);
+
+	// Once extracted, delete the package
+	unlink($package);
+
+	if ( is_wp_error($result) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return $result;
+	}
+
+	//Get a list of the directories in the working directory before we delete it, We need to know the new folder for the theme
+	$filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
+
+	if( $wp_filesystem->exists( $themes_dir . $filelist[0] ) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return new WP_Error('install_folder_exists', __('Folder already exists.'), $filelist[0] );
+	}
+
+	apply_filters('install_feedback', __('Installing the theme'));
+	// Copy new version of theme into place.
+	$result = copy_dir($working_dir, $themes_dir);
+	if ( is_wp_error($result) ) {
+		$wp_filesystem->delete($working_dir, true);
+		return $result;
+	}
+
+	//Get a list of the directories in the working directory before we delete it, We need to know the new folder for the theme
+	$filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
+
+	// Remove working directory
+	$wp_filesystem->delete($working_dir, true);
+
+	if( empty($filelist) )
+		return false; //We couldnt find any files in the working dir, therefor no theme installed? Failsafe backup.
+
+//TODO TODO TODO
+	$stylesheet = $filelist[0];
+//	$theme = get_themes('/' . $folder); //Ensure to pass with leading slash
+//	$themefiles = array_keys($theme); //Assume the requested theme is the first in the list
+
+	//Return the theme files name.
+	return  $stylsheet; //$folder . '/' . $themefiles[0];
+}
Index: wp-admin/includes/upgrade.php
===================================================================
--- wp-admin/includes/upgrade.php	(revision 10356)
+++ wp-admin/includes/upgrade.php	(working copy)
@@ -276,6 +276,9 @@
 	if ( $wp_current_db_version < 8989 )
 		upgrade_270();
 
+	if ( $wp_current_db_version < 10360 )
+		upgrade_280();
+
 	maybe_disable_automattic_widgets();
 
 	$wp_rewrite->flush_rules();
@@ -908,7 +911,19 @@
 		$wpdb->query( "UPDATE $wpdb->posts SET post_date = post_modified WHERE post_date = '0000-00-00 00:00:00'" );
 }
 
+/**
+ * Execute changes made in WordPress 2.8.
+ *
+ * @since 2.8.0
+ */
+function upgrade_280() {
+	global $wp_current_db_version;
 
+	if ( $wp_current_db_version < 10360 )
+		populate_roles_280();
+}
+
+
 // The functions we use to actually do stuff
 
 // General
Index: wp-admin/menu.php
===================================================================
--- wp-admin/menu.php	(revision 10356)
+++ wp-admin/menu.php	(working copy)
@@ -57,6 +57,7 @@
 $menu[40] = array( __('Appearance'), 'switch_themes', 'themes.php', '', 'menu-top', 'menu-appearance', 'div' );
 	$submenu['themes.php'][5]  = array(__('Themes'), 'switch_themes', 'themes.php');
 	$submenu['themes.php'][10] = array(__('Editor'), 'edit_themes', 'theme-editor.php');
+	$submenu['themes.php'][15] = array(__('Add New Themes'), 'install_themes', 'theme-install.php');
 
 $update_plugins = get_option( 'update_plugins' );
 $update_count = 0;
Index: wp-admin/theme-install.php
===================================================================
--- wp-admin/theme-install.php	(revision 0)
+++ wp-admin/theme-install.php	(revision 0)
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Install theme administration panel.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/** WordPress Administration Bootstrap */
+require_once('admin.php');
+
+if ( ! current_user_can('install_themes') )
+	wp_die(__('You do not have sufficient permissions to install themes on this blog.'));
+
+include(ABSPATH . 'wp-admin/includes/theme-install.php');
+
+$title = __('Install Themes');
+$parent_file = 'themes.php';
+
+wp_reset_vars( array('tab', 'paged') );
+//wp_enqueue_style( 'theme-install' );
+//wp_enqueue_script( 'theme-install' );
+//TODO: Combine? This'll do until a new UI is dreamed up though :)
+wp_enqueue_style( 'plugin-install' );
+wp_enqueue_script( 'plugin-install' );
+
+add_thickbox();
+
+//These are the tabs which are shown on the page,
+$tabs = array();
+$tabs['dashboard'] = __('Start Page'); //TODO: Better name?
+if ( 'search' == $tab )
+	$tabs['search']	= __('Search Results');
+$tabs['featured'] = __('Featured');
+$tabs['popular']  = __('Popular');
+$tabs['new']      = __('Newest');
+$tabs['updated']  = __('Recently Updated');
+
+$nonmenu_tabs = array('install', 'theme-information', 'upload'); //Valid actions to perform which do not have a Menu item.
+
+$tabs = apply_filters('install_themes_tabs', $tabs );
+$nonmenu_tabs = apply_filters('install_themes_nonmenu_tabs', $nonmenu_tabs);
+
+//If a non-valid menu tab has been selected, And its not a non-menu action.
+if( empty($tab) || ( ! isset($tabs[ $tab ]) && ! in_array($tab, (array)$nonmenu_tabs) ) ) {
+	$tab_actions = array_keys($tabs);
+	$tab = $tab_actions[0];
+}
+if( empty($paged) )
+	$paged = 1;
+
+$body_id = $tab;
+
+do_action('install_themes_pre_' . $tab); //Used to override the general interface, Eg, install or theme information.
+
+include('admin-header.php');
+?>
+<div class="wrap">
+<?php screen_icon(); ?>
+<h2><?php echo wp_specialchars( $title ); ?></h2>
+
+	<ul class="subsubsub">
+<?php
+$display_tabs = array();
+foreach ( (array)$tabs as $action => $text ) {
+	$sep = ( end($tabs) != $text ) ? ' | ' : '';
+	$class = ( $action == $tab ) ? ' class="current"' : '';
+	$href = admin_url('theme-install.php?tab='. $action);
+	echo "\t\t<li><a href='$href'$class>$text</a>$sep</li>\n";
+}
+?>
+	</ul>
+	<br class="clear" />
+	<?php do_action('install_themes_' . $tab, $paged); ?>
+</div>
+<?php
+include('admin-footer.php');
\ No newline at end of file
Index: wp-admin/update.php
===================================================================
--- wp-admin/update.php	(revision 10356)
+++ wp-admin/update.php	(working copy)
@@ -102,22 +102,30 @@
 		return;
 	}
 
-	//TODO: Is theme currently active?
-	$was_current = false; //is_plugin_active($plugin); //Check now, It'll be deactivated by the next line if it is
+	//Is the current theme active? If so, Put the blog into maintainence mode before update.
+	$was_current = strtolower(get_option('stylesheet')) == strtolower($theme) || strtolower(get_option('template')) == strtolower($theme);
 
+	if ( $was_current ) {
+		show_message( __('Blog has been put into maintainence mode for duration of theme update') );
+		// Create maintenance file to signal that we are upgrading
+		$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
+		$maintenance_file = $wp_filesystem->abspath() . '.maintenance';
+		$wp_filesystem->delete($maintenance_file);
+		$wp_filesystem->put_contents($maintenance_file, $maintenance_string, 0644);
+	}
+
 	$result = wp_update_theme($theme, 'show_message');
 
+	if ( $was_current ) {
+		// Remove maintenance file, we're done.
+		$wp_filesystem->delete($maintenance_file);
+	}
+
 	if ( is_wp_error($result) ) {
 		show_message($result);
 		show_message( __('Installation Failed') );
 	} else {
-		//Result is the new plugin file relative to WP_PLUGIN_DIR
 		show_message( __('Theme upgraded successfully') );
-		if( $result && $was_current ){
-			show_message(__('Setting theme as Current'));
-			//TODO: Actually set it as active again.
-			//echo '<iframe style="border:0" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $result, 'activate-plugin_' . $result) .'"></iframe>';
-		}
 	}
 	echo '</div>';
 }
