merge release@56803 release-candidate@56833

indra/llmessage/llassetstorage.cpp

indra/llmessage/llassetstorage.h

indra/llmessage/llhttpassetstorage.cpp

indra/llmessage/llinstantmessage.cpp

indra/llmessage/llqueryflags.h

indra/llmessage/llregionflags.h

indra/llmessage/lltransfermanager.cpp

indra/llmessage/lltransfermanager.h

indra/llmessage/lltransfersourceasset.cpp

indra/llmessage/lltransfersourceasset.h

indra/llmessage/lltransfersourcefile.cpp

indra/llmessage/lltransfersourcefile.h

indra/llmessage/lltransfertargetfile.cpp

indra/llmessage/lltransfertargetfile.h

indra/llmessage/lltransfertargetvfile.cpp

indra/llmessage/lltransfertargetvfile.h

indra/llmessage/message.cpp

indra/llui/llmenugl.cpp

indra/llui/llmenugl.h

indra/llui/llscrolllistctrl.cpp