Rails 5 remove before_filter and skip_before_filter, but Rails 3 only have *_filter.
Rails 5 remove before_filter and skip_before_filter, but Rails 3 only have *_filter.

Eric-Guo/wechat,skinnyworm/wechat-rails,TangMonk/wechat,zfben/wechat,wolflee/wechat-rails,wolflee/wechat-rails,Eric-Guo/wechat