Updated AUTHORS file


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14310 16af8721-9629-0410-8352-f15c8da7e697
Added an OSG_INIT_SINGLETON_PROXY to make sure that the ApplicationUsage singleton gets intialized before usage.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14312 16af8721-9629-0410-8352-f15c8da7e697
Updated AUTHORS file


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14313 16af8721-9629-0410-8352-f15c8da7e697