rviz trunk: DisplayGroup added to python bindings.  Written for SIP and Shiboken, tested only on SIP so far. (this rev adds a file I missed in previous commit)
rviz trunk: DisplayGroup added to python bindings.  Written for SIP and Shiboken, tested only on SIP so far. (this rev adds a file I missed in previous commit)

git-svn-id: 0026580bb7e4cc6a4dfc3b6e5daae18624e1a30c@39835 eb33c2ac-9c88-4c90-87e0-44a10359b0c3

ros-visualization/rviz,ros-visualization/rviz,ros-visualization/rviz,ros-visualization/rviz,ros-visualization/rviz