Add output parser for Qt-specific utilities

* Handle moc warnings there
 * Add unit tests
 * Use new parser in Qt's makestep

Task-number: QTCREATORBUG-1908

src/plugins/qt4projectmanager/qt4projectmanagerplugin.h

@@ -80,6 +80,8 @@ private slots:
 
     void testAbldOutputParsers_data();
     void testAbldOutputParsers();
+    void testQtOutputParser_data();
+    void testQtOutputParser();
 #endif
 
 private: