Allow custom post types to have custom icons

[ptahdunbar]

Currently all custom post types receive a id attribute of 'menu-posts'. This allows for them to use the posts icon. However if you want to use your own icon, you won't be able to select your post type as all of them are assigned a 'menu-posts' id.

This patch addressing this issue by assigning custom post types with a 'menu-$post_type' id, where $post_type is a sanitized version of the label.

In addition, it abstracts all menu icons so they can be used more than once.

[ptahdunbar]

includes updated minified versions

[Denis-de-Bernardy]

+1 to the idea. having dup IDs breaks jQuery.

@ptahdunbar: can you confirm I refreshed this properly? the only fix I needed to do was in the admin-menu.php file, to add the needed class.

[Denis-de-Bernardy]

marking this as a bug. see #12445

[ptahdunbar]

refreshed patch with minified versions

[ryan]

[13660]