merge from viewer-trunk

indra/llcommon/llapr.cpp

indra/llcommon/llapr.h

indra/llcommon/llfasttimer.h

indra/llcommon/llfasttimer_class.cpp

indra/llcommon/llprocessor.cpp

indra/llcommon/llsys.cpp

indra/llcommon/llsys.h

indra/llcommon/lltimer.cpp

indra/llmath/v2math.h

indra/llrender/llimagegl.cpp

indra/llui/llflatlistview.cpp

indra/llui/llsliderctrl.cpp

indra/llui/llsliderctrl.h

indra/llui/lltexteditor.cpp

indra/llvfs/lldir.cpp

indra/llvfs/lllfsthread.cpp

indra/media_plugins/webkit/CMakeLists.txt

indra/media_plugins/webkit/windows_volume_catcher.cpp

indra/newview/llagent.cpp

indra/newview/llappviewer.cpp