Formatted all files.

Automatically formatted all files via VS. This generally corrects indentation, removes trailing whitespace and corrects misplaced tabs or spaces. Manually tweaked a few files where required.

OpenRA.Game/FileSystem/MixFile.cs

@@ -218,7 +218,7 @@ namespace OpenRA.FileSystem
 
 		public int Priority { get { return 1000 + priority; } }
 		public string Name { get { return filename; } }
-		
+
 		public void Write(Dictionary<string, byte[]> contents)
 		{
 			// Cannot modify existing mixfile - rename existing file and