From Mike Weiblen, reverted shaders changes due to lack of hardware/driver support
From Mike Weiblen, reverted shaders changes due to lack of hardware/driver support


jtorresfabra/osg,artoolkit/osg,openscenegraph/osg,jtorresfabra/osg,scrawl/osg,marchelbling/osg,artoolkit/osg,scrawl/osg,tomasthoresen/osg,marchelbling/osg,tomasthoresen/osg,marchelbling/osg,jtorresfabra/osg,artoolkit/osg,tomasthoresen/osg,scrawl/osg,jtorresfabra/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,tomasthoresen/osg,marchelbling/osg,artoolkit/osg,openscenegraph/osg