rosbag_video to trunk

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/rosbag_video@13460 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merged latest changes from dev; made independent of wire_msgs

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_utils/rosbag_video@13550 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merge branch 'master' of https://github.com/tue-robotics-lab/rosbag_video