More work on MapLoader
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam

Conflicts:
	src/vooga/fighter/config/maps.xml
	src/vooga/fighter/model/loaders/MapLoader.java
Changed MapLoader to use ResourceBundle
Merge branch 'fightingteam' of https://github.com/duke-compsci308-spring2013/vooga into fightingteam