Minor fixes to some previous commits.

* Fixed a bug with storing the protocol version.
* Fixed an issue with text windows cancelling.
* Fixed a typo in the source.

src/framework/core/graphicalapplication.cpp

@@ -76,7 +76,7 @@ void GraphicalApplication::terminate()
     // destroy particles
     g_particles.terminate();
 
-    // destroy any reamaning widget
+    // destroy any remaining widget
     g_ui.terminate();
 
     Application::terminate();