Merge pull request #4422 from Mailaender/d2k-bloxxmas

Added the Dune 2000 BLOXXMAS terrain tiles

CHANGELOG

@@ -4,6 +4,7 @@ NEW:
 		Added randomized tiles for Sand and Rock terrain.
 		Display shroud by default again (disable it in the lobby settings).
 		Removed the build radius restrictions.
+		Added the BLOXXMAS terrain tiles from the 1.06 patch.
 	Red Alert:
 		Tanya can now plant C4 on bridges.
 		Submarine torpedoes can now hit bridges when force fired.

OpenRA.Mods.RA/Widgets/Logic/AssetBrowserLogic.cs

@@ -35,7 +35,7 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 
 		PaletteFromFile currentPalette;
 
-		static readonly string[] AllowedExtensions = { ".shp", ".r8", ".tem", ".des", ".sno", ".int" };
+		static readonly string[] AllowedExtensions = { ".shp", ".r8", "tmp", ".tem", ".des", ".sno", ".int" };
 
 		[ObjectCreator.UseCtor]
 		public AssetBrowserLogic(Widget widget, Action onExit, World world)