Merge from default branch

indra/llcommon/llstring.cpp

indra/llrender/lltexture.h

indra/llui/llfloater.cpp

indra/llui/llfloaterreg.cpp

indra/llui/lliconctrl.cpp

indra/llui/lliconctrl.h

indra/llui/llmenugl.cpp

indra/llui/llmenugl.h

indra/llui/llmultifloater.cpp

indra/llui/llpanel.cpp

indra/llui/llradiogroup.cpp

indra/llui/llscrolllistcolumn.cpp

indra/llui/llscrolllistcolumn.h

indra/llui/lltextbase.cpp

indra/llui/lltextbase.h

indra/llui/lltexteditor.cpp

indra/llui/lltooltip.cpp

indra/llui/lltooltip.h

indra/llui/llui.cpp

indra/llui/llui.h