Index: src/wp-admin/edit-form-advanced.php
===================================================================
--- src/wp-admin/edit-form-advanced.php	(revision 38147)
+++ src/wp-admin/edit-form-advanced.php	(working copy)
@@ -132,9 +132,11 @@
 /* translators: Publish box date format, see https://secure.php.net/date */
 $scheduled_date = date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_date ) );
 
+$saved_timeago = ' <em><abbr title="' . date( 'c', current_time( 'timestamp' ) ) . '" class="xwp-ui-text-icon timeago">Just Now</abbr></em>';
+
 $messages['post'] = array(
 	 0 => '', // Unused. Messages start at index 1.
-	 1 => __( 'Post updated.' ) . $view_post_link_html,
+	 1 => __( 'Post updated ' . $saved_timeago . '.' ) . $view_post_link_html,
 	 2 => __( 'Custom field updated.' ),
 	 3 => __( 'Custom field deleted.' ),
 	 4 => __( 'Post updated.' ),
@@ -171,6 +173,8 @@
  */
 $messages = apply_filters( 'post_updated_messages', $messages );
 
+wp_enqueue_script( 'jquery-timeago-init' );
+
 $message = false;
 if ( isset($_GET['message']) ) {
 	$_GET['message'] = absint( $_GET['message'] );
Index: src/wp-includes/js/jquery/jquery.timeago.js
===================================================================
--- src/wp-includes/js/jquery/jquery.timeago.js	(revision 0)
+++ src/wp-includes/js/jquery/jquery.timeago.js	(working copy)
@@ -0,0 +1,225 @@
+/**
+ * Timeago is a jQuery plugin that makes it easy to support automatically
+ * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
+ *
+ * @name timeago
+ * @version 1.4.3
+ * @requires jQuery v1.2.3+
+ * @author Ryan McGeary
+ * @license MIT License - http://www.opensource.org/licenses/mit-license.php
+ *
+ * For usage and examples, visit:
+ * http://timeago.yarp.com/
+ *
+ * Copyright (c) 2008-2015, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)
+ */
+
+(function (factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(['jquery'], factory);
+  } else if (typeof module === 'object' && typeof module.exports === 'object') {
+    factory(require('jquery'));
+  } else {
+    // Browser globals
+    factory(jQuery);
+  }
+}(function ($) {
+  $.timeago = function(timestamp) {
+    if (timestamp instanceof Date) {
+      return inWords(timestamp);
+    } else if (typeof timestamp === "string") {
+      return inWords($.timeago.parse(timestamp));
+    } else if (typeof timestamp === "number") {
+      return inWords(new Date(timestamp));
+    } else {
+      return inWords($.timeago.datetime(timestamp));
+    }
+  };
+  var $t = $.timeago;
+
+  $.extend($.timeago, {
+    settings: {
+      refreshMillis: 60000,
+      allowPast: true,
+      allowFuture: false,
+      localeTitle: false,
+      cutoff: 0,
+      autoDispose: true,
+      strings: {
+        prefixAgo: null,
+        prefixFromNow: null,
+        suffixAgo: "ago",
+        suffixFromNow: "from now",
+        inPast: 'any moment now',
+        seconds: "less than a minute",
+        minute: "about a minute",
+        minutes: "%d minutes",
+        hour: "about an hour",
+        hours: "about %d hours",
+        day: "a day",
+        days: "%d days",
+        month: "about a month",
+        months: "%d months",
+        year: "about a year",
+        years: "%d years",
+        wordSeparator: " ",
+        numbers: []
+      }
+    },
+
+    inWords: function(distanceMillis) {
+      if(!this.settings.allowPast && ! this.settings.allowFuture) {
+          throw 'timeago allowPast and allowFuture settings can not both be set to false.';
+      }
+
+      var $l = this.settings.strings;
+      var prefix = $l.prefixAgo;
+      var suffix = $l.suffixAgo;
+      if (this.settings.allowFuture) {
+        if (distanceMillis < 0) {
+          prefix = $l.prefixFromNow;
+          suffix = $l.suffixFromNow;
+        }
+      }
+
+      if(!this.settings.allowPast && distanceMillis >= 0) {
+        return this.settings.strings.inPast;
+      }
+
+      var seconds = Math.abs(distanceMillis) / 1000;
+      var minutes = seconds / 60;
+      var hours = minutes / 60;
+      var days = hours / 24;
+      var years = days / 365;
+
+      function substitute(stringOrFunction, number) {
+        var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
+        var value = ($l.numbers && $l.numbers[number]) || number;
+        return string.replace(/%d/i, value);
+      }
+
+      var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
+        seconds < 90 && substitute($l.minute, 1) ||
+        minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
+        minutes < 90 && substitute($l.hour, 1) ||
+        hours < 24 && substitute($l.hours, Math.round(hours)) ||
+        hours < 42 && substitute($l.day, 1) ||
+        days < 30 && substitute($l.days, Math.round(days)) ||
+        days < 45 && substitute($l.month, 1) ||
+        days < 365 && substitute($l.months, Math.round(days / 30)) ||
+        years < 1.5 && substitute($l.year, 1) ||
+        substitute($l.years, Math.round(years));
+
+      var separator = $l.wordSeparator || "";
+      if ($l.wordSeparator === undefined) { separator = " "; }
+      return $.trim([prefix, words, suffix].join(separator));
+    },
+
+    parse: function(iso8601) {
+      var s = $.trim(iso8601);
+      s = s.replace(/\.\d+/,""); // remove milliseconds
+      s = s.replace(/-/,"/").replace(/-/,"/");
+      s = s.replace(/T/," ").replace(/Z/," UTC");
+      s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
+      s = s.replace(/([\+\-]\d\d)$/," $100"); // +09 -> +0900
+      return new Date(s);
+    },
+    datetime: function(elem) {
+      var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");
+      return $t.parse(iso8601);
+    },
+    isTime: function(elem) {
+      // jQuery's `is()` doesn't play well with HTML5 in IE
+      return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
+    }
+  });
+
+  // functions that can be called via $(el).timeago('action')
+  // init is default when no action is given
+  // functions are called with context of a single element
+  var functions = {
+    init: function(){
+      var refresh_el = $.proxy(refresh, this);
+      refresh_el();
+      var $s = $t.settings;
+      if ($s.refreshMillis > 0) {
+        this._timeagoInterval = setInterval(refresh_el, $s.refreshMillis);
+      }
+    },
+    update: function(time){
+      var parsedTime = $t.parse(time);
+      $(this).data('timeago', { datetime: parsedTime });
+      if($t.settings.localeTitle) $(this).attr("title", parsedTime.toLocaleString());
+      refresh.apply(this);
+    },
+    updateFromDOM: function(){
+      $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr("datetime") : $(this).attr("title") ) });
+      refresh.apply(this);
+    },
+    dispose: function () {
+      if (this._timeagoInterval) {
+        window.clearInterval(this._timeagoInterval);
+        this._timeagoInterval = null;
+      }
+    }
+  };
+
+  $.fn.timeago = function(action, options) {
+    var fn = action ? functions[action] : functions.init;
+    if(!fn){
+      throw new Error("Unknown function name '"+ action +"' for timeago");
+    }
+    // each over objects here and call the requested function
+    this.each(function(){
+      fn.call(this, options);
+    });
+    return this;
+  };
+
+  function refresh() {
+    var $s = $t.settings;
+
+    //check if it's still visible
+    if($s.autoDispose && !$.contains(document.documentElement,this)){
+      //stop if it has been removed
+      $(this).timeago("dispose");
+      return this;
+    }
+
+    var data = prepareData(this);
+
+    if (!isNaN(data.datetime)) {
+      if ( $s.cutoff == 0 || Math.abs(distance(data.datetime)) < $s.cutoff) {
+        $(this).text(inWords(data.datetime));
+      }
+    }
+    return this;
+  }
+
+  function prepareData(element) {
+    element = $(element);
+    if (!element.data("timeago")) {
+      element.data("timeago", { datetime: $t.datetime(element) });
+      var text = $.trim(element.text());
+      if ($t.settings.localeTitle) {
+        element.attr("title", element.data('timeago').datetime.toLocaleString());
+      } else if (text.length > 0 && !($t.isTime(element) && element.attr("title"))) {
+        element.attr("title", text);
+      }
+    }
+    return element.data("timeago");
+  }
+
+  function inWords(date) {
+    return $t.inWords(distance(date));
+  }
+
+  function distance(date) {
+    return (new Date().getTime() - date.getTime());
+  }
+
+  // fix for IE6 suckage
+  document.createElement("abbr");
+  document.createElement("time");
+}));

Property changes on: src/wp-includes/js/jquery/jquery.timeago.js
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: src/wp-includes/js/jquery/timeago/init.js
===================================================================
--- src/wp-includes/js/jquery/timeago/init.js	(revision 0)
+++ src/wp-includes/js/jquery/timeago/init.js	(working copy)
@@ -0,0 +1,3 @@
+jQuery(document).ready(function() {
+  jQuery("abbr.timeago").timeago();
+});
\ No newline at end of file

Property changes on: src/wp-includes/js/jquery/timeago/init.js
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: src/wp-includes/script-loader.php
===================================================================
--- src/wp-includes/script-loader.php	(revision 38147)
+++ src/wp-includes/script-loader.php	(working copy)
@@ -244,6 +244,8 @@
 	$scripts->add( 'jquery-serialize-object', "/wp-includes/js/jquery/jquery.serialize-object.js", array('jquery'), '0.2', 1 );
 	$scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$suffix.js", array('jquery'), '0.0.2m', 1 );
 	$scripts->add( 'jquery-table-hotkeys', "/wp-includes/js/jquery/jquery.table-hotkeys$suffix.js", array('jquery', 'jquery-hotkeys'), false, 1 );
+	$scripts->add( 'jquery-timeago', "/wp-includes/js/jquery/jquery.timeago$suffix.js", array('jquery' ), false, 1 );
+	$scripts->add( 'jquery-timeago-init', "/wp-includes/js/timeago/init$suffix.js", array('jquery', 'jquery-timeago' ), false, 1 );
 	$scripts->add( 'jquery-touch-punch', "/wp-includes/js/jquery/jquery.ui.touch-punch.js", array('jquery-ui-widget', 'jquery-ui-mouse'), '0.2.2', 1 );
 
 	// Masonry v2 depended on jQuery. v3 does not. The older jquery-masonry handle is a shiv.
