Debugger: Bring Qt Creator to foreground if app interrupts

Change-Id: I07795f61b79cce9687d0ae2bff3cc19534ec08d6
Reviewed-by: hjk <qthjk@ovi.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/debugger/debuggerengine.h

@@ -302,6 +302,7 @@ signals:
      * a server start script should be used, but none is given.
      */
     void requestRemoteSetup();
+    void raiseWindow();
 
 protected:
     // The base notify*() function implementation should be sufficient