rosdep: initial import

This is pretty much crap for non-ubuntu OSes,
but we still need it around...
ompl: initial import to moonbase
sdformat: needed by gazebo
gazebo: added to moonbase

This is a full-fledged 3D Physics simulator
ros: add profile package
introduce console_bridge for ROS
introduce urdfdom_headers for ROS
introduce urdfdom for ROS