Improved handling of invalid/unhandled files
Added support for ImageStream::LoopigMode variable
Fixed memory leak associtied with restarting videos
Changed Image::setData() to Image::dirty() to avoid resetting data


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14605 16af8721-9629-0410-8352-f15c8da7e697