(hairy) merge from viewer-release

indra/llcommon/llformat.cpp

indra/llcommon/llformat.h

indra/llcommon/llstring.cpp

indra/llcommon/llstring.h

indra/llmessage/llcurl.cpp

indra/llmessage/llcurl.h

indra/llrender/llimagegl.cpp

indra/llui/llaccordionctrl.cpp

indra/llui/llaccordionctrl.h

indra/llui/llcheckboxctrl.cpp

indra/llui/llfloater.cpp

indra/llui/llfloater.h

indra/llui/llmenugl.cpp

indra/llui/llmenugl.h

indra/llui/llresmgr.cpp

indra/newview/llagent.cpp

indra/newview/llagentcamera.cpp

indra/newview/llappearancemgr.cpp

indra/newview/llappearancemgr.h

indra/newview/llappviewer.cpp