ros/robot_model — pull request #20 by YoheiKakiuchi (2013-06-03 20:25:23+00:00)
Title: update for using multiple visual for collada_urdf

I added code for using multiple visual for converting urdf to collada.
If urdf link has just one visual, there is no difference with former result.
urdf link has more than two visual, first visual would be added with former manner.
Next visuals would be added as transformed geometry.