Lots of Dungeon View stuff added

-A lot of dungeon view classes were added, as well as several changes to
existing classes.
-You can now navigate in the dungeon, and battle monsters.
-Not completed yet; i.e. stuff like treasure rooms, hiding rooms, etc.
isn't implemented
-Implemented recurring quests
-Notes: for speed, some variables were made public; this will have to be
changed later.