Added documentation on a lot of classes and functions (and removed some files I commited by mistake)

dungeonbattle/bootstrap.py

@@ -4,6 +4,11 @@ from dungeonbattle.term_manager import TermManager
 
 
 class Bootstrap:
+    """
+    The bootstrap object is used to bootstrap the game so that it starts properly.
+    (It was initially created to avoid circulary imports between the Game and
+    Display classes)
+    """
 
     @staticmethod
     def run_game():