merge latest viewer-release

.hgignore

.hgtags

BuildParams

autobuild.xml

build.sh

doc/contributions.txt

indra/cmake/JsonCpp.cmake

indra/cmake/Linking.cmake

indra/cmake/VisualLeakDetector.cmake

indra/cmake/WebKitLibPlugin.cmake

indra/edit-me-to-trigger-new-build.txt

indra/llcharacter/llcharacter.h

indra/llcommon/llversionviewer.h

indra/llimage/llimagepng.cpp

indra/llmath/llcoord.h

indra/llmessage/tests/testrunner.py

indra/llrender/llgl.cpp

indra/llrender/llgl.h

indra/llrender/llglheaders.h

indra/llrender/llglslshader.cpp