Some cleanups. (might break build for scripts as they are a WIP)

Source/Game/Events/GameEventManager.cs

@@ -1155,7 +1155,7 @@ namespace Game
                         {
                             GameObject go = GameObject.CreateGameObjectFromDB(guid, map, false);
                             // @todo find out when it is add to map
-                            if (go)
+                            if (go != null)
                             {
                                 // @todo find out when it is add to map
                                 if (go.IsSpawnedByDefault())

Source/Game/Events/GameEventSender.cs

@@ -12,7 +12,7 @@ namespace Game
     {
         public static void Trigger(uint gameEventId, WorldObject source, WorldObject target)
         {
-            Cypher.Assert(source || target, "At least one of [source] or [target] must be provided");
+            Cypher.Assert(source != null || target != null, "At least one of [source] or [target] must be provided");
 
             WorldObject refForMapAndZoneScript = source ?? target;