Add exit key to inputmanager
Fix progressdata levelcompleted[] length
changed graphics card setting to work with my computer
working main menu, without instructions
Change bullet image
modify contentproj for merge
Fix contentproj merge conflict
Add connected[] to Overworld Nodes
Include new level
Merge branch 'master' of https://github.com/murphyslaw480/platformer4x4
merged in the sound effects, no enemy

Conflicts:
	Platformer/Platformer/Control/Overworld.cs
	Platformer/Platformer/Game1.cs
	Platformer/PlatformerContent/PlatformerContent.contentproj