first commit
rename file extension from markdown to md
Merge branch 'master' of github.com:wanglf/wanglf.github.io
	deleted:    README.md
	deleted:    docs/books/2013.md
	deleted:    docs/books/2014.md
	deleted:    docs/books/myshelf.md
	deleted:    docs/books/shelf
	deleted:    docs/index.md
	deleted:    docs/linux.md
	deleted:    docs/vim.md
	deleted:    docs/web.md
	deleted:    mkdocs.yml