Merge. Refresh from viewer-release after 3.7.3 release.

.hgtags

BuildParams

indra/llappearance/llavatarappearance.cpp

indra/llappearance/lltexglobalcolor.cpp

indra/llappearance/lltexlayer.cpp

indra/llaudio/lllistener_fmodex.cpp

indra/llcharacter/llbvhloader.cpp

indra/llcharacter/llkeyframemotion.cpp

indra/llcharacter/llmultigesture.cpp

indra/llcharacter/llpose.cpp

indra/llcommon/llavatarname.cpp

indra/llcommon/llavatarname.h

indra/llcommon/llerror.cpp

indra/llcommon/llfasttimer.cpp

indra/llcommon/llstl.h

indra/llcrashlogger/llcrashlogger.cpp

indra/llmessage/llavatarnamecache.cpp

indra/llmessage/llavatarnamecache.h

indra/llmessage/llbuffer.cpp

indra/llmessage/llcachename.cpp