Began taking apart TiledMap format. Interim check-in
Rebase with develop.
Created AtlantisMap class extending TiledMap

Certain information about TiledMap is only available via protected field
values.
Strange behavior with AtlantisEntity.java file.
Interim check-in. Fixing Eclipse weirdness on Windows.
Moved movement cost processing into AtlantisMap.
Merge branch 'issue17' into develop.

Interim step to set a clear point where the processing will be done.
Need to discuss final numbers regarding map node size, TilEd map tile
size, and Worker entity size.