Create gh-pages branch via GitHub
resolve conflict
remove unused files
add source file to github
add duoshuo comments
Merge branch 'gh-pages' of https://github.com/feiyuw/blog into gh-pages
Merge branch 'gh-pages' of https://github.com/feiyuw/blog into gh-pages
update source code
Merge branch 'gh-pages' of https://github.com/feiyuw/blog into gh-pages
fix link invalid issue