NOTE: Partial merges of the maintenance branch up. The bulk of maintenance...

NOTE: Partial merges of the maintenance branch up. The bulk of maintenance 62831:63347 is awaiting final QA and merging, post 1.17.0

svn merge -r 63182:63183 svn+ssh://svn.lindenlab.com/svn/linden/branches/maintenance --> release
svn merge -r 63341:63342 svn+ssh://svn.lindenlab.com/svn/linden/branches/maintenance --> release
svn merge -r 63420:63421 svn+ssh://svn.lindenlab.com/svn/linden/branches/maintenance --> release

Rush in the following fixes:

* SL-27250 "Stop All Animations" doesn't work when stuck in a pose after teleporting
* SL-44718 VWR-1040: crash when opening several gestures quickly
* SL-44326 recurring error message in agni nightly #1