Add missing id in site_editor.html.erb and comment out in parser_back_end.rb because of a loading bug

lib/parsers/parser_back_end.rb

@@ -84,7 +84,7 @@ module ParserBackEnd
       c.define_tag 'content' do |tag|
         ret = ''
         if (tag.attributes["main"] == "true" && !page.module_app.nil?)
-          ret << "<div id='appfrontend' class='dymanic_load' path='#{page.app_frontend_url}'></div>"
+          # ret << "<div id='appfrontend' class='dymanic_load' path='#{page.app_frontend_url}'></div>"
         else
            part = page.page_parts.detect{ |p| p.name.to_s == tag.attr['name'].to_s }
             ret << "<div id='#{tag.attr['name']}' part_id='#{part.id}' class='editable' style='border:solid 1px; margin:5px; padding:5px;'>"