Moved tf_checker to trunk

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/tf_checker@9570 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Added time check (issue #5)

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/tf_checker@13712 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Updated some manifest files

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/tf_checker@14523 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Added tf frequency counter

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/tf_checker@16416 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merge branch 'master' of https://github.com/tue-robotics-lab/tf_checker