smite some compiler warnings, hide those that are to stay.

Hide some makefile output too

OpenRA.Game/Game.cs

@@ -231,6 +231,7 @@ namespace OpenRA
 			return sb.ToString();
 		}
 
+		#pragma warning disable 0472, 0162
 		internal static void DumpSyncReport(int frame)
 		{
 			var f = syncReports.FirstOrDefault(a => a.First == frame);

OpenRA.Game/Server/Server.cs

@@ -29,7 +29,6 @@ namespace OpenRA.Server
 			= new Dictionary<int, List<Connection>>();
 		static Session lobbyInfo;
 		static bool GameStarted = false;
-		static string[] initialMods;
 		static string Name;
 		static WebClient wc = new WebClient();
 		static int ExternalPort;
@@ -51,7 +50,6 @@ namespace OpenRA.Server
 			Server.masterServerUrl = masterServerUrl;
 			isInternetServer = internetServer;
 			listener = new TcpListener(IPAddress.Any, port);
-			initialMods = mods;
 			Name = name;
 			ExternalPort = extport;
 			randomSeed = (int)DateTime.Now.ToBinary();

OpenRA.Game/Traits/Unit.cs

@@ -28,7 +28,6 @@ namespace OpenRA.Traits
 
 		public void Damaged(Actor self, AttackInfo e)
 		{
-			var eva = self.World.WorldActor.Info.Traits.Get<EvaAlertsInfo>();
 			if (e.DamageState == DamageState.Dead)
 				if (self.Owner == self.World.LocalPlayer)
 					Sound.PlayVoice("Lost", self);

OpenRA.Game/Widgets/SpecialPowerBinWidget.cs

@@ -70,7 +70,6 @@ namespace OpenRA.Widgets
 			var powers = world.LocalPlayer.PlayerActor.traits.WithInterface<SupportPower>();
 			var numPowers = powers.Count(p => p.IsAvailable);
 			if (numPowers == 0) return;
-			var position = RenderOrigin;
 			var rectBounds = RenderBounds;
 			WidgetUtils.DrawRGBA(WidgetUtils.GetChromeImage(world, "specialbin-top"),new float2(rectBounds.X,rectBounds.Y));
 			for (var i = 1; i < numPowers; i++)