Add tinymce to page_part edit for text

app/views/admin/page_parts/_text.html.erb

@@ -2,7 +2,7 @@
   <% @site_valid_locales.each do |locale| %>
     <div>
 		  <%= I18nVariable.from_locale(locale) %>
-		  <%= f.text_area locale %>
+		  <%= f.text_area locale, :class => 'tinymce_textarea' %>
 	  </div>
   <% end %>
 <% end %>