Merge pull request #9 from ipa-fxm/hydro_dev

[Hydro] fix catkin_make install
Merge branch 'hydro_dev' of github.com:ipa-fxm/cob_control into velocity_interface_controller
Merge branch 'hydro_dev' of github.com:ipa-fxm/cob_control into indigo_dev
Merge branch 'indigo_dev' of github.com:ipa-fxm/cob_control into velocity_interface_controller_indigo
Merge branch 'velocity_interface_controller' of github.com:ipa-fxm/cob_control into velocity_interface_controller_indigo