Added --addMissingColours / --addMissingColor support into osgconv which provides a mechansim for adding in a white colour where none previously existed.  This solves the problem that exists on some databases where no colour is present, causing the colour to be inherited randomly.
Added --addMissingColours / --addMissingColor support into osgconv which
provides a mechansim for adding in a white colour where none previously
existed.  This solves the problem that exists on some databases where
no colour is present, causing the colour to be inherited randomly.


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