Removed costmap_2d/msg/OccupancyGridUpdate.msg and pointed to map_msgs instead.
changed from costmap_2d/OccupancyGridUpdate to map_msgs/OccupancyGridUpdate in enhanced_nav_display
Merge pull request #80 from ros-planning/use-map-msgs

Use OccupancyGridUpdate message from map_msgs package now that it's been released.
removed enhanced_nav_display package: superceded by hydro rviz MapDisplay change
Merge pull request #81 from ros-planning/delete-enhanced-nav-display

removed enhanced_nav_display package: superceded by hydro rviz MapDisplay change
fixed robot_pose_ekf's inclusion of bfl for hydro, whose include directory layout changed.
Removed layered_costmap_plugin, which was incomplete.
move_base: uncommented contents of loadDefaultRecoveryBehaviors().
a bit of progress committed to send the code to another computer.
costmap_2d: array_parser.cpp compiles and tests work.
Still more to finish in costmap_2d_ros.cpp
Added support for footprint from rosparam.  Test currently crashing.
fixed crashing tests in costmap_2d
Install headers in some packages
Make sure libraries are explicitly linked

Otherwise linking fails on OS X, which is stricter
than Linux.
Find and link against Boost for map_server
Fixup dependencies for move_base_msgs
added tests and fixed bugs in loading of footprint from params
moved footprint ownership out of layers into LayeredCostmap
removed RobotFootprintManager class, not needed after previous changes.
Merge pull request #83 from ros-planning/fix-footprint-param

Fix for #63, backwards compatibility for footprint params