imported from upstream repo https://github.com/ros-planning/navigation_experimental/tree/eeb034a2a5105c29ade92778c508886b5b7ce3c1
sbpl_lattice_planner: updated sbpl_lattice_planner to compile with the new costmap_2d package in hydro (DRAFT!)

Not sure if the clearRobotFootprint() call is still needed or if this is handled by the footprint layer...
sbpl_lattice_planner: add target dependency to sbpl_lattice_planner_generated_messages_cpp
sbpl_lattice_planner: do not copy Costmap2D instance and remove clearRobotFootprint() calls

based on https://github.com/ros-
sbpl_lattice_planner: try to fetch possbily circumscribed radius from inflation layer
Merge commit '572872b' into hydro-devel
sbpl_lattice_planner: fixed sbpl_lattice_planner_generate_messages_cpp dependency in CMakeLists.txt