Merge pull request #79 from ipa-fxm/hydro_dev

Beautify install tags and correct PYTHON_DESTINATION
add new service
Merge pull request #80 from ipa-fxm/hydro_dev-universalupdates

Hydro dev universalupdates
merge
merge cob4
fix urdf test
Merge pull request #84 from ipa-nhg/hydro_dev

merge cob4
Merge branch 'hydro_dev' of git://github.com/ipa320/cob_common into hydro_dev
Merge pull request #85 from ipa-fmw/hydro_dev

fix urdf test
fix softkinetic settings
Merge pull request #86 from ipa-fmw/hydro_dev

fix softkinetic settings
New center joint on torso
New center joint on torso
Merge pull request #87 from ipa-nhg/hydro_dev

New center joint on torso