[LLIMMgr/LLIMPanel] Fix the crashes in notifyParticularFriendObservers()

Forgot to write this line amidst everything else, my bad.
Demote common "Splitting" warning to debugs
Dump the whole login response to the log file only in the debug builds
[Warnings] Fix linux32's "format ‘%lu’ expects type ‘long unsigned int’, but argument has type ‘size_t’"
Don't crash if pay floater is closed before reply arrives from the server

Fix from upstream
Potentially fixes http://crash.singularityviewer.org/crashes.php?stacktrace=processPayPriceReply
Fix for crash report 1272
Merge remote-tracking branch 'singu/master'
Audio engine changes:
-Idle tick is now responsible for dispatching all pending sound sources, as such improves priority sorting.
-Added ui sound precache mechanisms (to fetch sounds without associated soundsources)
-Audio engine no logner available pre-login or upon disconnect, for simplicity.
-General cleanup to the audio engine/impl.
-Fixed some gAudiop calls that were lacking prerequisite null checks.
-Added 'isUpstreamOK' procuedure to LLAssetStorage to allow avoidance of making requests when there is no upstream host connection.
Merge branch 'master' of git://github.com/AlericInglewood/SingularityViewer
Merge branch 'master' of git://github.com/Shyotl/SingularityViewer

Conflicts:
	indra/llaudio/llaudioengine.cpp
Fixed a couple of compilation errors when using GCC.
Merge remote-tracking branch 'singu/master'
Remove assert that 100% reproducible fired - stopping me from logging in.

I wanted to fix the problem, but:
[21:45] <Aleric> Talking about dense - you guys want this to be fixed or not???
[21:45] <lkalif> no
Merge branch 'master' of git://github.com/Shyotl/SingularityViewer
Bug fix.
Merge branch 'master' of git://github.com/AlericInglewood/SingularityViewer
MAINT-2968 disable client GL namegen, go spec
Fixed a shutdown crash in LLAudioEngine::assetCallback, and fixed behavior when soundsource re-issues a sound whilst a sound is currently playing for same source. (LLAudioChannel[Impl]::play now re-starts sound if already playing)
Merge branch 'master' of https://github.com/singularity-viewer/SingularityViewer.git
Fixed a couple obscure crashes.