* aruco_pose: Unhardcode contour refinement
Besides, this was basically a no-op anyway, since dynamic parameters
overwrote that anyway.
* aruco_pose: Late-construct objects that use ROS
* aruco_map: Don't create/store node handle
* aruco_pose: Don't assume dist_coeffs size
* aruco_pose: more const == more better
* aruco_pose: Be more obvious about changing variables
* aruco_pose: Fix building for Kinetic
* aruco_pose: Remove global add_definitions