Merge "Adding GetNewMessagesAlert hook and wgUserNewMsgRevisionId JS global"

diff --combined RELEASE-NOTES-1.22
index ad62c80,c378270..161084f
--- 1/RELEASE-NOTES-1.22
--- 2/RELEASE-NOTES-1.22
+++ b/RELEASE-NOTES-1.22
@@@ -58,6 -58,12 +58,12 @@@ production
  * HTMLForm will turn multiselect checkboxes into a Chosen interface when setting cssclass 'mw-chosen'
  * rebuildLocalisationCache learned --lang option. Let you rebuild l10n caches
    of the specified languages instead of all of them.
+ * New GetNewMessagesAlert hook allowing extensions to disable or modify the new
+   messages alert
+ * New wgUserNewMsgRevisionId JS global for logged in users. This will be null
+   if the user has no new talk page messages. Otherwise it will be set to the
+   revision ID of the oldest new talk page message. This will allow gadgets and
+   extensions to create their own new message alerts on the client side.
  * mediawiki.log: Added log.warn wrapper (uses console.warn and console.trace).
  * mediawiki.log: Implemented log.deprecate. This method defines a property and
    uses ES5 getter/setter to emit a warning when they are used.
@@@ -113,10 -119,8 +119,10 @@@ changes to languages because of Bugzill
  * redirect.php was removed. It was unused.
  * ClickTracking integration was dropped from the mediaWiki.user.bucket
    JavaScript function. The 'tracked' option is now ignored.
 -* BREAKING CHANGE: Legacy skins Simple, MySkin and Standard were all removed.
 -  Nostalgia was moved to an extension.
 +* BREAKING CHANGE: Legacy skins Simple, MySkin, Chick, Standard and Nostalgia
 +  were all removed. (Nostalgia was moved to an extension.) The SkinLegacy and
 +  LegacyTemplate classes that supported them were removed as well and are now a
 +  part of the Nostalgia extension.
  * Event namespace used by jquery.makeCollapsible has been changed from
    'mw-collapse' to 'mw-collapsible' for consistency with the module name.
  * BREAKING CHANGE: The "ExternalAuth" authentication subsystem was removed, along
@@@ -129,6 -133,7 +135,6 @@@
    feature, and improper configuration can actually prevent a user from editing
  * Calling Linker methods using a skin will now output deprecation warnings.
  * (bug 46680) "Return to" links are no longer tagged with rel="next".
 -* The Special:ActiveUsers special page was removed.
  * BREAKING CHANGE: mw.util.tooltipAccessKeyRegexp: The match group for the
    accesskey character is now $6 instead of $5.
  * A new Special:Redirect page was added, providing lookup by revision ID,