add doc file for `edp beautify`
modified beautify doc
Merge remote-tracking branch 'trunk/master'
Merge remote-tracking branch 'trunk/master'

Merge from main source
Merge pull request #113 from ielgnaw/master

edp-package Issue #2 edp update命令增加confirm
typo...
增加 require 工具方法，用于自动安装依赖的模块
added edp-test plugin
typo...
add ManifestCompiler doc
确保 callback 异步调用
Merge pull request #117 from duanlixin/master

add ManifestCompiler doc
bump to 0.6.8-beta.16
Merge branch 'master' of https://github.com/ecomfe/edp
由 exec 改为包装的 spawn
Merge branch 'master' of github.com:ecomfe/edp
add version badge
edp bcs添加Connection:close的Request Header

文件上传成功之后就不会再等待了，直接退出.
Merge branch 'master' of https://github.com/ecomfe/edp
add `preferGlobal`.