usage

1. git clone git@github.com:fangdeng/blog.fangdeng.org.git
2. cd blog.fangdeng.org
3. git checkout -b gh-pages origin/gh-pages
4. cd _posts
5. cp someone.vm your_date_your_title.vm
6. edit it.
7. cd ../
8. git add .
9. git push origin gh-pages
10. done