Bug 1003970 - Tagging comments not shown in user activity
r=glob
Bug 993939: Bugzilla::User::Setting::groups() should use memcached
Bug 1000917 - Backport upstream bug 489028 to bmo/4.2 to allow user last visit searching
Revert previous commit to re-apply with the schema change in a separate commit.

This reverts commit b6b83df873a1509797235738e00f9e6307eca876.
Bug 1000917 - allow user last visit searching (schema only)
Bug 1016273: Bugzilla whine emails missing change to From header made by bug 1010751
Merge remote branch 'origin/master'
disable unusued ember extension
Bug 950491 - When viewing a dependency graph, an "uninitialized value" warning is thrown
- Fixes BMO errors from whine.pl:
  Use of uninitialized value $lang in hash element at Bugzilla/Util.pm line 753.
  Use of uninitialized value $lang in hash element at Bugzilla/Util.pm line 766.
Bug 1000917: Backport upstream bug 489028 to bmo/4.2 to allow user last visit searching
Bug 1000917: Backport upstream bug 489028 to bmo/4.2 to allow user last visit searching
fix breakage caused by bug 1000917
Bug 1020425 - Typo in "Updated since last visit" part of My Dashboard
Bug 1018811: updated account name not reflected in "Reported" field of bugs
Bug 1019747: New user story field in Tracking product is getting copied from Description, not User Story when cloning
Bug 1020708 - Copyright header missing from Bugzilla::BugUserLastVisit
Bug 1016273: Bugzilla whine emails missing change to From header made by bug 1010751
Bug 1020023: update a user's last-visited timestamp for a bug when they perform any actions on it
Bug 720832: Add the ability to watch component starting with a string
(schema only)
Bug 1022500: cloning a firefox tracking flags throws "The component named 'Template::Document=HASH(0x7f7ffacdb4c8)' does not exist. "