Display date in locale format

Add GetLocale(), GetDateFormat() and FormatDate()

src/view/wxUI.hpp

@@ -33,6 +33,7 @@ class ImportEngine;
 #include <controller/KissCount.hpp>
 
 #include "view.hpp"
+#include "SupportedLanguages.hpp"
 
 #include <qtranslator.h>
 #include <qtextcodec.h>
@@ -73,7 +74,11 @@ public:
     void ShowPanel(KissPanel* panel);
     void NeedReload();
 
+    QLocale* GetLocale() {return _locale;}
+    QString  GetDateFormat();
+
     QString _language;
+    SupportedLanguages::language _curLanguage;
 
 private slots:
     void OnButtonClicked(int id);