more readable, more native.
英文加了空格
modify the command lines in blockquotes
check chap9 to chap20 for seperating cn from en-cn
check chap21 to chap30
check chap31 to chap37
Merge pull request #55 from gansteed/gh-pages

more readable, more native.
get Chinese from bilingual edition
delete a space
generate chinese edition automatically
correct the path of images
Unix-like -> 类似 Unix -> 类 Unix, 还有一些其他的增删改
类似 Unix -> 类 Unix
主目录 -> 家目录
Merge pull request #56 from gansteed/gh-pages

更改一部分语句
edit readme file
fix #57
regenerate the chinese edition
类似于 Unix -> 类 Unix
Merge pull request #60 from gansteed/gh-pages

chap04更改了一部分