Update GraphicsContext::Traits doppelganger to match OSG 3.2.1 version
Merge branch 'master' of https://github.com/cmbruns/osgswig
ignore build_cmake_java folder
Merge branch 'master' of https://github.com/cmbruns/osgswig
Hack src/python/osgManipulator.i to insert osgManipulator.Selection alias for osg.MatrixTransform.
Active wrapping of osgUtil.PolytopeIntersector, which is needed by Neuroptikon.