New Overwrite Methods
updateMap method
Fix for #68
Fix for inflation memory problems
InfIsValid #128
Static layer can recieve updates and accept non-lethal values
Map Server can serve maps with non-lethal values
Obstacle layer uses track_unknown_space parameter
Footprint layer is not longer created as top-level layer (used as part of obstacle layer instead)
Improved Global Planner (from Groovy branch)
Misc. other commits from Groovy Branch
Better handling of frame param in MapGridVisualizer
Cheat factor for end of DWA Plans
Merge pull request #146 from DLu/hydro

Updates from Groovy Branch