No global frame in the Costmap2D class
Merge pull request #56 from DLu/no_global_frame

No global frame in the Costmap2D class
map_server depends on yaml-cpp and sdl-image
Merge pull request #58 from jonbinney/add_sdl_dep

map_server depends on yaml-cpp and sdl-image
Added RangeBasedPointFilter class and test into costmap_2d.
Revert "Added RangeBasedPointFilter class and test into costmap_2d."

This reverts commit 18ce380cbe09878530258260b865f8d51c731b0c.

I changed my mind.  This functionality would be more useful in a point-cloud-filtering nodelet.
the static_map flag needs to be set to true and not simply set to load the static layer

minor bug fix while loading static maps
Merge pull request #59 from piyushk/patch-1

the static_map flag needs to be set to true ...
Issue #9: parameter tf_broadcast added to allow disabling transform
broadcasting
amcl: added tf_broadcast parameter to dynamic-reconfigure
making the image_loader API inside map_server reusable by other projects
Merge pull request #65 from piyushk/hydro-devel-map-server-patch

making the image_loader API inside map_server reusable by other projects
making navfn code available to packages outside the navfn package for simple path planning problems
Merge pull request #66 from piyushk/hydro-devel-navfn-patch

making navfn code available to packages outside the navfn package for si...
costmap_2d plugins obstacle_layer and voxel_layer use footprint_layer
 to clear the robot's footprint within their internal layer before merging onto the master costmap.
Merge pull request #67 from ros-planning/obstacle-layers-use-footprint

costmap_2d plugins obstacle_layer and voxel_layer use footprint_layer
Removed voxel_with_footprint_layer.cpp and .h.
Not needed now that commit 0e544b1276f26a8e96f0613a53103a136f11d957 has been made.
Fixed #64, now Costmap2DPublisher sends cell values in range -1 to +100.
Added point cloud publication for debugging costmap clearing.
Looks for obstacles but the default plugin name is obstacle_layer