Implemented standalone server, fixed breaking bugs

core/src/io/anuke/mindustry/MindustryServer.java

@@ -0,0 +1,25 @@
+package io.anuke.mindustry;
+
+import io.anuke.mindustry.core.*;
+import io.anuke.mindustry.io.BlockLoader;
+import io.anuke.mindustry.io.BundleLoader;
+import io.anuke.ucore.modules.ModuleCore;
+
+import static io.anuke.mindustry.Vars.*;
+
+public class MindustryServer extends ModuleCore {
+
+    @Override
+    public void init(){
+        headless = true;
+
+        BundleLoader.load();
+        BlockLoader.load();
+
+        module(logic = new Logic());
+        module(world = new World());
+        module(netServer = new NetServer());
+        module(netCommon = new NetCommon());
+        module(serverControl = new ServerControl());
+    }
+}