Use 429 error code for nginx ratelimiting
Merge pull request #106 from fantasticfears/china

add hook and a template to use chinese gem mirror site
Merge pull request #104 from riking/ratelimit-429

Use 429 error code for nginx ratelimiting
Fix missing indentation for china template.

Now the next problem is cdn used by gravatar was blocked by GFW. (FXXKING this gov)