VCS: Notify project wizard about config changes

... and have the project wizard update the available VCS.

Task-number: QTCREATORBUG-4423

src/plugins/cvs/cvscontrol.cpp

@@ -158,3 +158,8 @@ void CVSControl::emitFilesChanged(const QStringList &l)
 {
     emit filesChanged(l);
 }
+
+void CVSControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}

src/plugins/cvs/cvscontrol.h

@@ -67,6 +67,7 @@ public:
 
     void emitRepositoryChanged(const QString &s);
     void emitFilesChanged(const QStringList &l);
+    void emitConfigurationChanged();
 
 private:
     CVSPlugin *m_plugin;

src/plugins/cvs/cvsplugin.cpp

@@ -1320,6 +1320,7 @@ void CVSPlugin::setSettings(const CVSSettings &s)
         m_settings = s;
         if (QSettings *settings = Core::ICore::instance()->settings())
             m_settings.toSettings(settings);
+        cvsVersionControl()->emitConfigurationChanged();
     }
 }