Merge pull request #1 from zhanming/master

修复链接地址，添加http://前缀
01.1.md
01.1.md
01.1.md
01.2.md
01.2.md
01.2.md
01.2.md
01.2.md
01.2.md
01.2.md
01.2.md
add the  chinese version and some tweakings
Merge pull request #2 from mikespook/master

some tweakings
format adjusting
02.1.md
02.1.md
02.1.md
02.2.md