change the interface of collide: the collision settings are now in a CollisionRequest structure, and collision results are now in a CollisionResult structure. Distance has similar extension. This is for the convenience of adding cost and potential future extension.


git-svn-id: https://kforge.ros.org/fcl/fcl_ros@137 253336fb-580f-4252-a368-f3cef5a2a82b