Added amigo_marker_control for controlling Amigo's gaze via RVIZ

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/amigo_gui/amigo_marker_control@15507 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Actually added amigo_marker_control, as I found out on the team-night that the actual python files were missing in SVN

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/amigo_gui/amigo_marker_control@15632 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merge branch 'master' of https://github.com/tue-robotics-lab/amigo_marker_control