update collada_urdf to use assimp_devel on hydro-devel
Merge branch 'master' of http://github.com/jsk-ros-pkg/jsk_common into assimp_collada_urdf
Merge pull request #386 from k-okada/assimp_collada_urdf

update collada_urdf to use assimp_devel on hydro-devel