Added usage of OSG_CPP_EXCEPTIONS_AVAILABLE for plugins that use std::exceptions.
Added usage of OSG_CPP_EXCEPTIONS_AVAILABLE for plugins that use std::exceptions.


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