Merge pull request #51 from ipa-fmw-ms/hydro_dev

cob4 joystick teleop
The license tag must neither be empty
Merge pull request #53 from ipa-cob4-2/hydro_dev

The license tag must neither be empty
Merge pull request #52 from ipa-fmw-ms/hydro_dev

trajectory service for script server and PS3 instructions
testing actions, testing udev rules