ui: added universal font size setting and shortcuts for changing it

This change adds font size and font family to the ApplicationSettings to have a single point for manipulating them. The
font size can also be changed via the menu or the zoomIn and zoomOut shortcuts on all platforms.

src/lib/component/controller/RefreshController.cpp

@@ -1,5 +1,7 @@
 #include "component/controller/RefreshController.h"
 
+#include "utility/messaging/type/MessageRefresh.h"
+
 #include "component/view/RefreshView.h"
 
 RefreshController::RefreshController()
@@ -16,11 +18,6 @@ void RefreshController::handleMessage(MessageAutoRefreshChanged* message)
 	m_autoRefreshEnabled = message->enabled;
 }
 
-void RefreshController::handleMessage(MessageRefresh* message)
-{
-	getView()->refreshView();
-}
-
 void RefreshController::handleMessage(MessageWindowFocus* message)
 {
 	if (m_autoRefreshEnabled)