Display virtual accounts at the end

Fix a bug in LonkOrUnlinkOperation (when year was not previously loaded)
Translate categories in PreferencesPanel

src/view/SearchPanel.cpp

@@ -346,7 +346,7 @@ void SearchPanel::OnButtonChangeCategory(wxCommandEvent& event)
     categories[0] = _("None");
     a = 0;
     for(i=0; i < user->GetCategoriesNumber(); i++)
-	categories[++a] = user->_categories[i].name;
+	categories[++a] = wxGetTranslation(user->_categories[i].name);
 
     wxSingleChoiceDialog dialog(_wxUI, _("Choose a new category"), wxT("KissCount"), user->GetCategoriesNumber()+1, categories);