Command line interface

[at15]

Related #5

• color output
• read default config file .about.yml and allow specify from param
• * init project like npm init
• * generator, generate new page
• * check if current folder structure, config file, file content match and auto fix them if possible

[at15]

• https://github.com/dthree/vorpal is an interactive cli framework, which used by project like cash
• https://github.com/sindresorhus/meow can be used as normal cli
• https://github.com/SBoudrias/Inquirer.js/ can be used for promotes in command line

[at15]

https://github.com/winstonjs/winston is used for logging because

• it has name winston
• it supports profiling

Update

Due to #8 winston seems to be causing problem when promise is used, either stdout is not flushed or the Promise is not working properly