Merge branch 'master' of https://github.com/openscenegraph/osg into dev
Merge branch 'dev' of https://github.com/aurelien35/osg into dev
Merge branch 'dev' of https://github.com/aurelien35/osg into dev
From Art Tevs, int and uint Vec classes
Merge branch 'master' of https://github.com/openscenegraph/osg into dev