svn merge -r 84911:86069 svn+ssh://svn.lindenlab.com/svn/linden/branches/Branch_1-21-Server --> release

Backport fixes made in the production branch to the trunk now that it is live on the grid:
* DEV-14443 Launcher not producing colo prefix when looking up sim class
* DEV-10840 "/etc/init.d/backbone stop" returns before all child backbones exited; "backbone restart" results in defunct children
* DEV-12558: Able to make anyone's object shout error messages
* QAR-483 user start location migration prelude
* QAR-490 havok4-6
* Revert havok4-5/4-6 code changes causing parcel access check issues
* Revert QAR-277 sqlite-backbone
* DEV-12357 SEC-53: Script that crashes regions
* QAR-486 New proc and query for Web Classifieds Fix