This commit drops all patches as they have been merged upstream
since 0.9.1. Furthermore, this commit completes the dependencies
of the velocity_controllers and the forward_command_controller
package.

The patches in the meta-ros repository have been submitted and
included in 0.7.3 and hence are deleted in this commit.

The ros-controllers recipes are updated to 0.5.4 to be in line with
https://github.com/ros/rosdistro/blob/5a90bb971b74bc714a1099d36aafad6d05bf68e3/hydro/release.yaml.

Library of ros-controllers.

The ros recipes are updated to 1.10.6 to be in line with
https://github.com/ros/rosdistro/blob/4551e7c32d1b34984410b79bc0ec36afe3d3d245/hydro/release.yaml.
The previously applied patch has been included in 1.10.6 and is
removed from the recipe and this repository.

Signed-off-by: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>

The rosunit patch required some minor adjustments.

Signed-off-by: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>