Level 1 concept version

Features:
- Structural changes in the project
- Working menu to start first level
Merge remote-tracking branch 'origin/master'

Conflicts:
	Prototype/Assets/Scenes/Test Echolocation.unity
	Prototype/Library/CurrentLayout.dwlt
	Prototype/Library/ScriptAssemblies/Assembly-CSharp.dll
	Prototype/Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Prototype/Library/assetDatabase3
	Prototype/Library/expandedItems
	Prototype/Library/guidmapper
	Prototype/Library/metadata/12/12baf7dd18258564b8c5ba6d7e470102
	Prototype/Library/metadata/15/15b682586024e974492d93f77524b5b9
	Prototype/Library/metadata/1e/1eecd3caa36791f45a99bd4e066e75fd
	Prototype/Library/metadata/24/24d302c66d340fd4d9c0a2d2ee2deaaa
	Prototype/Library/metadata/38/38951ec0a1e53024eb9d489f4f727f01
	Prototype/Library/metadata/51/516f0ac2ab5aa07498cdcbe360555c58
	Prototype/Library/metadata/5d/5d80ada1005a33b40a0505b7f9fd0dda
	Prototype/Library/metadata/5f/5f068b8f2e0d1cb4ca97023938832954
	Prototype/Library/metadata/9c/9c609a32bd83e0e42a14fa8a1026f550
	Prototype/Library/metadata/a1/a18c6a2285ce9db4eaaa9840eec198e9
	Prototype/Library/metadata/a2/a24cef494db8624419e3c7f9fe63999d
	Prototype/Library/metadata/a5/a5eb4bf725ef4e9489df823b3a18c8a3
	Prototype/Library/metadata/ad/ad30c09c2814e534d81c85e5df202d0f
	Prototype/Library/metadata/d9/d9385e1848c370c46bbf9ee729c09a99
	Prototype/Library/metadata/de/de872735d16319b42931690f44bd0ed1
	Prototype/Library/metadata/ff/ff1d4710a1e8a9045bad538c179c979a