From Jason Daly, (with small tweak by Robert Osfield) fix for Prorgram::removeShader(Shader*) so that it properly remove the shader and its entry in the _shaderList.
From Jason Daly, (with small tweak by Robert Osfield) fix for Prorgram::removeShader(Shader*)
so that it properly remove the shader and its entry in the _shaderList.


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