added possiblity to keep the progress widget

- the Nokia Qt SDK UpdateInfo plugin progress should stay in the
    progress view till the user clicks on it
  - now the futureprogress knows the difference between:
    KeepOnFinishTillUserInteraction and KeepOnFinish

Reviewed-by: con

src/plugins/debugger/debuggerengine.cpp

@@ -786,7 +786,7 @@ void DebuggerEngine::startDebugger(DebuggerRunControl *runControl)
         Core::FutureProgress *fp = Core::ICore::instance()->progressManager()
             ->addTask(d->m_progress.future(),
             tr("Launching"), _("Debugger.Launcher"));
-        fp->setKeepOnFinish(false);
+        fp->setKeepOnFinish(Core::FutureProgress::DontKeepOnFinish);
         d->m_progress.reportStarted();
     }
     QTC_ASSERT(runControl, notifyEngineSetupFailed(); return);