Reorganized folders
Refactored, added test usage of EventManager

Event Manager updated, added in a example TestListener showing a usage
of the manager, refactored names of managers
Small state changes
Add ArrayLists roomList, npcList, weaponList
Merge branch 'master' of https://github.com/JohnMai/WhiteSharks into JohnMai-master

Conflicts:
	Assets/Scenes/stage1.unity
Merge pull request #12 from alim4/JohnMai-master

alim4's code into JohnMai's