merge uv-picking branch.

indra/llmath/llrect.h

indra/llmath/llvolume.cpp

indra/llmath/llvolume.h

indra/llmath/v2math.cpp

indra/llmath/v2math.h

indra/llmath/v3math.cpp

indra/llmath/v3math.h

indra/llmessage/lltemplatemessagereader.cpp

indra/llmessage/message_prehash.cpp

indra/llmessage/message_prehash.h

indra/llui/llview.cpp

indra/llwindow/llwindowmacosx.cpp

indra/llwindow/llwindowwin32.cpp

indra/lscript/lscript_library/lscript_library.cpp

indra/newview/app_settings/settings.xml

indra/newview/llagent.cpp

indra/newview/llagent.h

indra/newview/lldrawpoolavatar.cpp

indra/newview/llface.cpp

indra/newview/llface.h