Added isRunning().

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@689 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/jme/JmeApp.java

@@ -256,18 +256,24 @@ public class JmeApp
         _finished = true;
     }
 
-    // documentation inherited from interface RunQueue
+    // from interface RunQueue
     public void postRunnable (Runnable r)
     {
         _evqueue.append(r);
     }
 
-    // documentation inherited from interface RunQueue
+    // from interface RunQueue
     public boolean isDispatchThread ()
     {
         return Thread.currentThread() == _dispatchThread;
     }
 
+    // from interface RunQueue
+    public boolean isRunning ()
+    {
+        return !_finished;
+    }
+
     /**
      * Determines the display configuration and creates the display. This must
      * fill in {@link #_api} as a side-effect.