Program inherit from StateAttribute, and fix typo
Program inherit from StateAttribute, and fix typo

cedricpinson/osgjs,jmirabel/osgjs,gideonmay/osgjs,hishamabdelrahman/osgjs,gideonmay/osgjs,cedricpinson/osgjs,jtorresfabra/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,hishamabdelrahman/osgjs,jtorresfabra/osgjs,kkuunnddaannkk/osgjs,hishamabdelrahman/osgjs,jmirabel/osgjs,kkuunnddaannkk/osgjs,gideonmay/osgjs,cedricpinson/osgjs,kkuunnddaannkk/osgjs