* JSコードの埋め込みを防ぐため拝承メッセージをdata属性へ移動
* XSSを防ぐためhtml_escapeを追加
Merge branch 'fix_xss' of git://github.com/kumojima/asakusa-haisyo-plugin into kumojima-fix_xss

Conflicts:
	plugins/as_haisyo/lib/haisyo_listener.rb
Merge branch 'kumojima-fix_xss'