Added support for American spelling of swap and add supportOptions(..) documentation for the new options.
Added support for American spelling of swap and add supportOptions(..) documentation for the new options.


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