Update responder.rb
Update responder.rb

修复菜单的点击事件，with可直接使用，event_key 值
skinnyworm/wechat-rails,Dearest/wechat-1,Dearest/wechat-1,zfben/wechat,caiqinghua/wechat,Eric-Guo/wechat,JeeLiu/wechat,zyxstar/wechat-rails,TangMonk/wechat,Eric-Guo/wechat,EndingChaung/wechat,zyxstar/wechat-rails,samchen2009/wechat-rails,cmingxu/wechat-rails,samchen2009/wechat-rails,caiqinghua/wechat,bastengao/wechat-rails,caiqinghua/wechat,zyxstar/wechat-rails,wolflee/wechat-rails,wolflee/wechat-rails,Dearest/wechat-1,cmingxu/wechat-rails,samchen2009/wechat-rails,bastengao/wechat-rails,cmingxu/wechat-rails,yxf/wechat