chmod -x for urdf files
beautify install tags and correct PYTHON_DESTINATION
use BIN_DESTINATION
Merge pull request #51 from ipa-fxm/hydro_dev

Beautify install tags and correct PYTHON_DESTINATION
no OpenCV required in cob_gazebo
Merge pull request #52 from ipa-fxm/hydro_dev

no OpenCV required in cob_gazebo
Merge pull request #53 from ipa-nhg/hydro_dev

moved floor
Merge branch 'hydro_dev' of github.com:ipa-nhg/cob_simulation into hydro_dev