The following are sample rules.

* rule_add_comment.js
    * 响应文件中增加注释

* rule_wrap_define_header.js
    * 响应js文件中增加define头

* rule_map_to_local_file.js
    * 把线上文件映射到本地

* rule_allow_cors.js
    * 允许ajax跨域请求


rule可以串行的传入

[rule1, rule2, rule3]