Merge pull request #56 from ipa-fxm/hydro_dev

added missing offset
updated calibration from automatica14
calibration files for cob3-8
Merge pull request #58 from ipa-nhg/cob3-8

calibration files for cob3-8
cob3-8 has pg70 as gripper
Merge pull request #59 from ipa-nhg/hydro_dev

cob3-8 has pg70 as gripper
Merge branch 'indigo_dev' of github.com:ipa320/cob_calibration_data into indigo_dev