--User changes

-Add toolbar buttons to switch some rendering options without having to open the options dialog.

--Bug fixes
 -Only update summary on render completion, no need to constantly update it.
 -Properly handle cancel even on variations dialog.

--Code changes
 -Add small function ShutdownAndRecreateFromOptions() to wrap shutting down the timer and recreating the renderer.
 -Use the overridden accept() and reject() functions more consistently across dialogs.

Source/Fractorium/FractoriumMenus.cpp

@@ -844,10 +844,8 @@ void Fractorium::OnActionOptions(bool checked)
 {
 	if (m_OptionsDialog->exec())
 	{
-		//First completely stop what the current rendering process is doing.
-		m_Controller->Shutdown();
-		StartRenderTimer();//This will recreate the controller and/or the renderer from the options if necessary, then start the render timer.
-		m_Settings->sync();
+		SyncOptionsToToolbar();//This won't trigger a recreate, the call below handles it.
+		ShutdownAndRecreateFromOptions();//This will recreate the controller and/or the renderer from the options if necessary, then start the render timer.
 	}
 }