Pause the game option.

Game is paused when PAUSE on the keyboard has been hit. It can also be unpaused this way.

OpenRA.Game/Network/Order.cs

@@ -199,7 +199,18 @@ namespace OpenRA
 		{
 			return new Order("HandshakeResponse", null, false) { IsImmediate = true, TargetString = text };
 		}
+		
+		public static Order PauseRequest()
+		{
+			return new Order("PauseRequest", null, false) { IsImmediate = true, TargetString="" }; //TODO: targetbool?
+		}
+                
+		public static Order PauseGame()
+		{
+			return new Order("PauseGame", null, false) { IsImmediate = true, TargetString=""}; //TODO: targetbool?
+		}
 
+		
 		public static Order Command(string text)
 		{
 			return new Order("Command", null, false) { IsImmediate = true, TargetString = text };

OpenRA.Game/Network/OrderManager.cs

@@ -36,6 +36,7 @@ namespace OpenRA.Network
 		public int LastTickTime = Environment.TickCount;
 
 		public bool GameStarted { get { return NetFrameNumber != 0; } }
+		public bool GamePaused {get; set;}
 		public IConnection Connection { get; private set; }
 
 		public readonly int SyncHeaderSize = 9;

OpenRA.Game/Network/UnitOrders.cs

@@ -94,6 +94,12 @@ namespace OpenRA.Network
 						Game.StartGame(orderManager.LobbyInfo.GlobalSettings.Map, false);
 						break;
 					}
+				
+				case "PauseGame":
+					{
+						orderManager.GamePaused = !orderManager.GamePaused;
+						break;
+					}
 
 				case "HandshakeRequest":
 					{