added ability to find attached objects for a group
Merge remote-tracking branch 'ros-planning/groovy-devel' into groovy-devel
fixed attachedbody function to look for updates links as well
enable RTTI for CollisionRequest

This allows passing a subclass of CollisionRequest to request more specific results from a specific collision checker.
Merge pull request #82 from acornacorn/groovy-devel

enable RTTI for CollisionRequest
Merge remote-tracking branch 'ros-planning/groovy-devel' into groovy-devel
added function to return shared pointer to transforms
moving getAttachedBodies to JointStateGroup
Merge pull request #81 from sachinchitta/groovy-devel

Adds ability to find attached bodies for a group