Added timestamps in costmap_2d
Fixed memory leak
Implemented new costmap layer which performs a dilation on the total map (all costs)
Extended inflation plugin so that it can be used for all target value costs (instead of only lethal obstacle)
Static layer works with rolling window now
Added opencv to dependencies
Extended api, publisher access and update frequency access
Merge remote-tracking branch 'upstream/hydro-devel' into hydro-devel