changed mesh origin to the center of the base plate
Merge branch 'groovy_dev' of git://github.com/ipa320/cob_common into review320
Merge pull request #2 from ipa-bnm/groovy_dev

Merge new tower mesh.
changed wheel positions to make rotation right, also changed some bugs in the asymetric tower
Merge pull request #52 from abubeck/groovy_dev

rob@work updates because of rotation bug and some minor changes in the rob@work towers
Merge branch 'groovy_dev' of github.com:ipa320/cob_common into groovy_dev