VCS: Allow to run commands synchronously

Run some commands synchronously. This avoids issues with the UI
reacting to file changes done by the VCS on windows which can lead
to crashes.

Task-number: QTCREATORBUG-3021
Reviewed-by: Tobias Hunger

src/plugins/subversion/subversionplugin.cpp

@@ -1219,11 +1219,9 @@ bool SubversionPlugin::vcsMove(const QString &workingDir, const QString &from, c
 {
     QStringList args(QLatin1String("move"));
     args << QDir::toNativeSeparators(from) << QDir::toNativeSeparators(to);
-    qDebug()<<args;
     const SubversionResponse response =
             runSvn(workingDir, args, m_settings.timeOutMS(),
-                   SshPasswordPrompt|ShowStdOutInLogWindow);
-    qDebug() << response.stdOut << "\n"<<response.stdErr;
+                   SshPasswordPrompt|ShowStdOutInLogWindow|FullySynchronously);
     return !response.error;
 }