costmap_2d: updated static map layer to improve dynamic map update support
costmap_2d: added ROS_INFO output in the constructor if a map has been received
Reintroduce ClearCostmaps Service
Static Map reset
Obstacle layer Reset
Reset Voxel Layer
REset inflation layer
Merge pull request #120 from meyerj/costmap_dynamic_map_support

Initial work to support static map layer updates
Merge pull request #126 from DLu/hydro

Package URL Updates
Merge pull request #121 from DLu/revamped_layers

Reimplement Clear Costmaps Service
Clean up spacing in Clear Costmap Recovery