Standardise Theater -> Tileset.

OpenRA.Editor/Form1.cs

@@ -94,7 +94,7 @@ namespace OpenRA.Editor
 		void PrepareMapResources(Manifest manifest, Map map)
 		{
 			Rules.LoadRules(manifest, map);
-			tileset = Rules.TileSets[map.Theater];
+			tileset = Rules.TileSets[map.Tileset];
 			tileset.LoadTiles();
 			var palette = new Palette(FileSystem.Open(tileset.Palette), true);
 

OpenRA.Editor/MapSelect.Designer.cs

@@ -256,7 +256,7 @@
 			this.lblTheater.Name = "lblTheater";
 			this.lblTheater.Size = new System.Drawing.Size(47, 13);
 			this.lblTheater.TabIndex = 11;
-			this.lblTheater.Text = "Theater:";
+			this.lblTheater.Text = "Tileset:";
 			// 
 			// txtAuthor
 			// 

OpenRA.Editor/MapSelect.cs

@@ -42,7 +42,7 @@ namespace OpenRA.Editor
                 var map = new Map(new Folder(Path.Combine(MapFolderPath, MapList.SelectedItems[0].Text), 0));
                 txtTitle.Text = map.Title;
                 txtAuthor.Text = map.Author;
-                txtTheater.Text = map.Theater;
+                txtTheater.Text = map.Tileset;
                 txtDesc.Text = map.Description;
 				pbMinimap.Image = null;
                 try

OpenRA.Editor/NewMapDialog.Designer.cs

@@ -221,7 +221,7 @@
 			this.label4.Name = "label4";
 			this.label4.Size = new System.Drawing.Size(44, 13);
 			this.label4.TabIndex = 14;
-			this.label4.Text = "Theater";
+			this.label4.Text = "Tileset";
 			// 
 			// theater
 			// 

OpenRA.Editor/RenderUtils.cs

@@ -97,9 +97,9 @@ namespace OpenRA.Editor
 		{
 			var ri = info.Traits.Get<RenderSimpleInfo>();
 			string image = null;
-			if (ri.OverrideTheater != null)
-				for (int i = 0; i < ri.OverrideTheater.Length; i++)
-					if (ri.OverrideTheater[i] == tileset.Id)
+			if (ri.OverrideTileset != null)
+				for (int i = 0; i < ri.OverrideTileset.Length; i++)
+					if (ri.OverrideTileset[i] == tileset.Id)
 						image = ri.OverrideImage[i];
 
 			image = image ?? ri.Image ?? info.Name;