Merge pull request #30 from abubeck/hydro_dev

upstream changes and python import improvement
fix teleop for 3DOF torso
Merge pull request #32 from ipa-cob3-3/groovy_dev

fix teleop for 3DOF torso
deactivate tests
merged with upstream
Merge pull request #33 from abubeck/hydro_dev

Updates
fixed cob_teleop_keyboard