Debugger: Fix QML-only debugging on Harmattan

Actually wait for the 'Waiting for debugger on port ' ... message
to appear in the application output before connecting, and also
use the port specified there.

Change-Id: Ib498e5306bc49f2f3d468353b1c5d1ea38a809e6
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/libs/qmljsdebugclient/qdeclarativeoutputparser.h

@@ -48,7 +48,8 @@ public:
     void processOutput(const QString &output);
 
 signals:
-    void waitingForConnectionMessage();
+    void waitingForConnectionOnPort(quint16 port);
+    void waitingForConnectionViaOst();
     void connectionEstablishedMessage();
     void errorMessage(const QString &detailedError);
     void unknownMessage(const QString &unknownMessage);