Revert "Trimmed the branch to only the jsk_ros_patch/collada_urdf_jsk_patch sub directory"

This reverts commit 9d1c6986866bc4171d53917fd7c83b9a5d1e339a.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_ros_patch/collada_urdf_jsk_patch sub directory