Added TerainHandler event handler to provide 'v'/'V' and 'r'/'R' key controls for change vertical scale and sample ratio respectively.
Added TerainHandler event handler to provide 'v'/'V' and 'r'/'R' key controls for change vertical scale and sample ratio respectively.


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