Merge pull request #191 from ipa-fxm/indigo_dev

Indigo dev
adapted gripper controller
merge conflict
calibration error
setup cob3-8 simulation
inverted scanners
Merge branch 'hydro_dev' of github.com:ipa-cob3-8/cob_robots into hydro_dev
Merge pull request #212 from ipa-cob3-8/hydro_dev

setup cob3-8 simulation
Merge pull request #201 from ipa-fxm/indigo_dev

Indigo dev
Merge branch 'hydro_dev' into indigo_dev
Merge branch 'indigo_dev' of github.com:ipa-fxm/cob_robots into indigo_dev
Merge branch 'indigo_dev' of github.com:ipa320/cob_robots into indigo_dev