BU-CS673/bubolo — pull request #129 by Nesciosquid (2014-03-09 17:48:02+00:00)
Title: Added Tiles, many concrete entities

* Added the Tile class to hold Terrains and StationaryElements
* Added the following concrete Entity subclasses:
* Swamp
* Water
* DeepWater
* Rubble
* Crater
* Wall
* Mine
* Pillbox
* Base
* Bullet
* Man