fix dummy js bug
fix dummy
Merge pull request #1 from jasl/js-postposition

支持JS代码后置 fix dummy bug
modified:   Gemfile
remove controls class:clearfix
remove some useless methods
modified:   README.md
modified:   README.md
modified:   README.md
new file:   vendor/assets/javascripts/area_select_cn/jquery.district.js
new file:   area_select_helper.rb