Redesign Map Graphics API

[JoeHowarth]

Make easier to visualize information

• region level
• borders
• highlighted cells
• map modes
• text rendering (Text Rendering #6 )

[JoeHowarth]

Progress

• MapManager Class abstracts over Babylon
• support coloring groups of tiles with single color (ie. regions)
• borders around tiles or groups of tiles
• text (Text Rendering #6)