SL-32769 Scripts now reliably register to receive email on region startup, we establish trust between dataserver and simulator explicitly on startup, reviewed by Kelly.

SL-32782, SL-32838, SL-32787 Viewer crashes related to god/estate owner commands not putting transaction ids into a packet.  Reviewed with Kelly.

Port fix for SL-32157 "PowerPC Mac crashes when crossing regions or teleporting with capabilities turned on" from Branch 1-13-2 r56710 via partial merge of release-candidate -r 56743:56744

merge -r 56301 release-candidate
Fixes for llxfer.cpp and llaudiodecodemgr.cpp (asset upload truncation bug)
llxfer.cpp got missed somehow the first time round, grr!

merge -r 56301 release-candidate
Fixes for llxfer.cpp and llaudiodecodemgr.cpp (asset upload truncation bug)

svn merge svn+ssh://svn.lindenlab.com/svn/linden/release@56631 svn+ssh://svn.lindenlab.com/svn/linden/branches/abstract-kdu@56647 --ignore-ancestry

svn merge -r 56564:56570 svn+ssh://svn.lindenlab.com/svn/linden/branches/maintenance
NOTE: This skips -r 56560:56464 which should be merged after being QA'd

Reviewed by doug. This code is running on Agni, but needed to merge into doug's new nightly stuff.

Add floss exception doc

svn merge svn+ssh://svn.lindenlab.com/svn/linden/release@56429 svn+ssh://svn.lindenlab.com/svn/linden/branches/maintenance@56431

This turned up the following "lost" changes:

	llapp.cpp (from maintenance r55371) - SIGPIPE fix, possibly
	llfontgl.cpp (from maintenance r50207) - whitespace only
	inventorybridge.cpp (property - non-executable)
	skins/xui/*/* (from maintenance r55380) - XML processing instruction went AWOL

Darwin release.

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

Picking up some interestlist cleanup that passed testing.