Updated everything so it works, added folders

Organized game assets into folders
Fixed broken prefabs
Default block orientation is with the long end in the Z direction
I am committing everything to make sure unity doesn't break
Merge remote-tracking branch 'origin/master'

Conflicts:
	Assets/Models/3x1_stone.blend.meta
	Assets/Models/Materials/3x1_stone.png.meta
	Assets/Prefabs/WoodBlock.prefab.meta
	Assets/Scenes/LoadLevel.unity
	Library/CurrentLayout.dwlt
	Library/assetDatabase3
	Library/expandedItems
	Library/guidmapper
	Library/metadata/76/76a29b219f9b2aa4a86f9b1bd2d6bb80