svn merge -r 86069:86558...

svn merge -r 86069:86558 svn+ssh://svn.lindenlab.com/svn/linden/branches/Branch_1-21-Server --> release

* QAR-522 / DEV-14318: Crash in LLSD:operator[] -- web connected? Traceback includes LLCurl::Responder::completed
* landstore-6 dataservices
* DEV-14141 - Enable avatar-properties. done 2008-05-01 14:00
* new query, for use by sl.com /lib/models/login.php
* disabling evil slave crashing query.

Also the following which has NOT been pushed into production yet
* QAR-531 DEV-14457 SEC-67 Hacked client can bypass estate access lists