Result of svn merge -r107256:107258 svn+ssh://svn/svn/user/phoenix/license_2009_merge into trunk. QAR-1165

Result of svn merge -r71162:71205 svn+ssh://svn/svn/linden/branches/new-license into release. only changes files which are not deployed or the comments section of code.

EFFECTIVE MERGE: svn merge -r 65485:66133 svn+ssh://svn/svn/linden/branches/maintenance into release
This includes fixes to the maintenance-r66133 branch, and sync'ing up with release@r66392

ACTUAL MERGE: svn merge -r 66394:66435 svn+ssh://svn/svn/linden/branches/release-r66392 into release
EQUIVALENT TO: svn merge -r 65485:66434 svn+ssh://svn/svn/linden/branches/maintenance-r66133 into release (plus branch sync'ing)

* WARNING *:  maintenance r64837 is not the last rev to use in the next merge. use r65269

corrected, removed, and updated comments throughout the code to be more useful. no code changes. SL-13762