default action for cli commands

before:
![2013-08-15 01 21 55](https://f.cloud.github.com/assets/201306/964494/16df081a-0517-11e3-9d84-9aba2a994b5d.png)
after:
![2013-08-15 01 21 41](https://f.cloud.github.com/assets/201306/964498/1b6f5f24-0517-11e3-8c40-1708e4b1420a.png)