ProjectExplorer: Rename RunControl::finished to stopped

That's what it is.

Change-Id: I8cf9af23bb7cafe1cde8f165fdbf85cdeb79f7e4
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/projectexplorer/runconfiguration.cpp

@@ -1216,7 +1216,7 @@ void RunControlPrivate::setState(RunControlState newState)
         foreach (auto worker, m_workers)
             if (worker)
                 worker->onFinished();
-        emit q->finished();
+        emit q->stopped();
         break;
     default:
         break;