add lookat component to cob3-3
Merge branch 'stable' of github.com:ipa-fmw-ja/cob_robots into lookat
Merge pull request #6 from ipa-fmw-ja/stable

3DOF Tray for cob3-5
fixed naming error + update structure for all raw's
Merge pull request #7 from ipa320/groovy_dev

Update
add lookat to all cobs + some fixes in calibration values
Merge pull request #123 from ipa-fxm/lookat

Lookat
Merge branch 'groovy_dev' of github.com:ipa-nhg/cob_robots into groovy_dev