Updated the index.html to include references to the new osgText library and demo app.
Updated the index.html to include references to the new osgText library and
demo app.


artoolkit/osg,ntoand/osg,XiaoCC/osg,ntoand/osg,XiaoCC/osg,omega-hub/osg,artoolkit/osg,stmh/osg,ntoand/osg,artoolkit/osg,koshman86/osg,XiaoCC/osg,koshman86/osg,omega-hub/osg,artoolkit/osg,stmh/osg,ghub/osg,stmh/osg,ghub/osg,stmh/osg,ntoand/osg,koshman86/osg,XiaoCC/osg,koshman86/osg,ghub/osg,ghub/osg,omega-hub/osg,stmh/osg,XiaoCC/osg,omega-hub/osg