Merge pull request #124 from abubeck/hydro_dev

changes for simulation
Merge pull request #127 from ipa-fxm/hydro_dev

bring groovy updates to hydro + make it work
Merge pull request #128 from ipa-fxm/hydro_dev

updating cob_controller_configuration_gazebo
Merge branch 'hydro_dev' of github.com:ipa-fxm/cob_robots into hydro_dev
change install path for hydro
Merge branch 'hydro_dev' of github.com:ipa-fxm/cob_robots into hydro_dev