let test-component run on travis ci
Merge pull request #30 from fengmk2/component-travis-ci

Let test-component run on travis ci
add debug info
Add visionmedia/debug
提升group函数的功能，使之如done一样
Merge pull request #34 from JacksonTian/improve_group

提升group函数的功能，使之如done一样
Bump 0.2.6
Add a Bitdeli badge to README
Merge pull request #39 from bitdeli-chef/master

Add a Bitdeli Badge to README
Refine code
Merge pull request #40 from JacksonTian/refine

Refine code
增强 fail 和 done 方法:
1. fail 的handler能获取到 emit('error') 时附带的所有参数
2. done 和 group 支持抛出所有参数到 error 事件中
添加 多参数 fail 和done 的单元测试
修改单元测试
Refine code
Merge pull request #43 from JacksonTian/refine

Refine code
correct a mistake in README
Merge pull request #44 from yanxyz/readme

correct a mistake in README
Update package info for blanket
Add headbind method to make callback excuted first.