Merge. Pull in viewer-release after materials viewer release.

.hgtags

NORSPEC-207.patch

autobuild.xml

doc/contributions.txt

indra/cmake/Variables.cmake

indra/integration_tests/llui_libtest/CMakeLists.txt

indra/llcommon/llapr.cpp

indra/llcommon/llsys.cpp

indra/llcommon/llversionviewer.h

indra/llmath/llvector4a.inl

indra/llmath/llvolume.cpp

indra/llprimitive/lltextureentry.cpp

indra/llrender/llgl.cpp

indra/llrender/llglheaders.h

indra/llrender/llglslshader.cpp

indra/llrender/llrender.cpp

indra/llrender/llrendertarget.cpp

indra/llrender/llrendertarget.h

indra/llrender/llshadermgr.cpp

indra/llrender/llshadermgr.h