compat Google Cookie Syntax

Merge branch 'dev' with version 0.1.9

Merge branch 'dev' with issue cuber#45 fixed

Enhanced compatibility. issue fixed cuber#21

1. Adding more language options
2. ip + port accessing is supported
3. compating some scholar links.

Compat `Google Scholar` updating, issue fixed cuber#17

issue fixed cuber#8, resolved cuber#6

1. disallow all spider, if spiders crawling is needed, 'google_robots_allow on' will reset the allowance.
2. fixed the content-encoding problems of any 403 pages

完善文档

Add chinese README and issues#5 fixed

Fixed 'worker process exited on signal 11' bugs totally.

Fixed several bugs.

1. If google on, other nginx server may be influenced. The nginx child process restart automatically again and again.
2. In a server with ssl off, the judgement of ssl is error.
3. Multi server with google on, error occurs.