svn merge -r76207:76805...

svn merge -r76207:76805 svn+ssh://svn.lindenlab.com/svn/linden/branches/Branch_1-18-6-Server --> release
Pick up patches for:
* DEV-7727 Simcrash caused by bots sitting on trees
* DEV-8091 No-Copy can be circumvented by coalescing object with a Linden plant
* QAR-173 Add content negotiation to login.cgi and transform.cgi so people can log in with llsd instead of xmlrpc

indra/llcommon/llversionserver.h

@@ -35,7 +35,7 @@
 const S32 LL_VERSION_MAJOR = 1;
 const S32 LL_VERSION_MINOR = 18;
 const S32 LL_VERSION_PATCH = 6;
-const S32 LL_VERSION_BUILD = 76205;
+const S32 LL_VERSION_BUILD = 76747;
 
 const char * const LL_CHANNEL = "Second Life Server";