rviz: doxygen in frame_manager.h
rviz: doxygen in frame_manager.h

git-svn-id: 3fbed5997d13f1d67939a30168073a1cda5d91b7@39049 eb33c2ac-9c88-4c90-87e0-44a10359b0c3

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