Start screen, monsters spawn

Added start screen
Monsters spawn properly
Monsters walk through walls.
Merge branch 'Character' of https://github.com/mxu/EECS290-MazeGame into Character

Conflicts:
	Assembly-CSharp-vs.csproj
	Assembly-CSharp.csproj
	Assets/Grid/GridCreator.cs
	Assets/Maze.unity
	EECS290-MazeGame-csharp.sln
	EECS290-MazeGame.sln
	EECS290-MazeGame.userprefs
	Library/CurrentLayout.dwlt
	Library/ScriptAssemblies/Assembly-CSharp-firstpass.dll
	Library/ScriptAssemblies/Assembly-CSharp-firstpass.dll.mdb
	Library/ScriptAssemblies/Assembly-CSharp.dll
	Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Library/ScriptAssemblies/Assembly-UnityScript-firstpass.dll
	Library/ScriptAssemblies/Assembly-UnityScript-firstpass.dll.mdb
	Library/assetDatabase3
	Library/expandedItems
	Library/guidmapper
	Library/metadata/19/19dce2de43233ed49b17cfc1afabb874
	Library/metadata/23/23a6081322a47424cbed296dbcae2880
	Library/metadata/24/24cacb314258fb848bf7e3db4da11762
	Library/metadata/31/311b04bb40caa49f9afb4cc4039d4713
	Library/metadata/3d/3d6a56c175532134388676ac5b40bf59
	Library/metadata/58/5871f5e1e780e674bb3a42fdc251b380
	Library/metadata/59/5981d2182b7e2a8479a19ac3c90b3fc1
	Library/metadata/71/71e324faf8b874f439a09e5002c4950a
	Library/metadata/8a/8a60b69b241c04f5680834c285146b1b
	Library/metadata/ae/ae538d1ab529f3543ab0baf27003912e
	Library/metadata/b1/b1a6791cac51fa64b86ac52f519a0c97
	Library/metadata/c8/c8d9b418bc19446498bddf4d8176e8e7
	Library/metadata/e6/e6dae15185880f4488ce8a681b227490
	Library/metadata/e7/e787f4fe565e5423aaadde64f504d025
	Library/metadata/f3/f3b1f40c24cc08942ae089e73a2584cb
	Library/metadata/fb/fb068e6c718118d41b72f07d094a4949
	Library/metadata/fc/fcd33bfef78e70a4e9cf2e4f82d2dae7