Added Main Menu Scene and Script
Merge remote-tracking branch 'origin/master'

Conflicts:
	Assets/Tiled2Unity/Prefabs/MALevel1.prefab.meta
	Assets/Tiled2Unity/Prefabs/minimalist-collision.prefab.meta
	Assets/Tiled2Unity/Prefabs/minimalist.prefab.meta
	Assets/Tiled2Unity/Prefabs/sample.prefab.meta
	Assets/Tiled2Unity/Prefabs/untitled.prefab.meta