Merge pull request #11 from rctoris/devel

r1 release
Merge pull request #12 from rctoris/devel

r2-devel started
Add Service based OccupancyGrid client
Polishing
Change notes
Merge pull request #14 from jihoonl/grid_client

OccupancyGridSrvClient which uses service to receive a static map
cleaned up for grunt and map emitted with change
rebuild for devel