rviz: Added support for depth computation for ordinary interactive marker objects which are not point clouds, for bug #5018.  Closing 5018.
rviz: Added support for depth computation for ordinary interactive marker objects which are not point clouds, for bug #5018.  Closing 5018.

git-svn-id: 0026580bb7e4cc6a4dfc3b6e5daae18624e1a30c@37507 eb33c2ac-9c88-4c90-87e0-44a10359b0c3

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