materials should not be loaded in the components urdf
wrong lenght
pg70 collada model
origin for collision model is in the center of the box
Merge pull request #1 from ipa320/hydro_dev

update
mesh for shoulder added
Merge https://github.com/ipa-tif/schunk_modular_robotics into cob4_shoulder
Renamed links and added shoulder model
Merge pull request #89 from ipa-tif/hydro_dev

mesh shoulder
Merge pull request #90 from ipa-nhg/cob4_shoulder

Cob4 shoulder
Merge branch 'hydro_dev' of github.com:ipa320/schunk_modular_robotics into indigo_dev