fixed eclipse build (compatibility jar had duplicate symbols)

src/de/tudarmstadt/informatik/hostage/ui2/activity/MainActivity.java

@@ -151,7 +151,6 @@ public class MainActivity extends Activity {
     }
 
     private class DrawerItemClickListener implements ListView.OnItemClickListener {
-        @Override
         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
             displayView(position);
         }