merge from viewer-pre-release

.hgignore

.hgtags

BuildParams

autobuild.xml

doc/contributions.txt

indra/integration_tests/llimage_libtest/llimage_libtest.cpp

indra/llcommon/lleventtimer.cpp

indra/llcommon/llfasttimer_class.cpp

indra/llcommon/llinstancetracker.h

indra/llcommon/llversionviewer.h

indra/llcommon/tests/llinstancetracker_test.cpp

indra/llcrashlogger/llcrashlogger.cpp

indra/llmath/llvolume.cpp

indra/llmessage/llcurl.cpp

indra/llmessage/llcurl.h

indra/llplugin/llpluginclassmedia.cpp

indra/llplugin/llpluginclassmedia.h

indra/llprimitive/llmodel.cpp

indra/llprimitive/llmodel.h

indra/llprimitive/llprimitive.h