Qml run controls automatically stop all run controls for the same file

That's something which has been asked for multiple times. Also related
to the task below.

Change-Id: I1130a2a3527479f18bde2abfbff28fb556f437b9
Task-Nr: QTCREATORBUG-3508
Reviewed-on: http://codereview.qt.nokia.com/1844
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/projectexplorer/appoutputpane.cpp

@@ -536,3 +536,12 @@ bool AppOutputPane::canNavigate()
 {
     return false;
 }
+
+QList<RunControl *> AppOutputPane::runControls() const
+{
+    QList<RunControl *> result;
+    foreach (const RunControlTab& tab, m_runControlTabs)
+        result << tab.runControl;
+    return result;
+}
+