Created package to hold controllers

src/battle/controllers/EmptyController.java

+package battle.controllers;
+
+import asteroids.Action;
+import battle.BattleController;
+import battle.SimpleBattle;
+
+/**
+ * Created by davidgundry on 11/06/15.
+ */
+public class EmptyController implements BattleController {
+    @Override
+    public Action getAction(SimpleBattle gameStateCopy, int playerId) {
+        return null;
+    }
+}