Fixed title field auto focus in topic form.
个人主页样式布局调整;
用户主页 Bio 样式修改;
Github Repo 获取改成异步的方式; Fix #302;
后台页面修复;
exception_notification 过滤掉某些无意义的错误;
Fix exception_notification
首页 ETag 处理;
fresh_when 去掉一些很少修改的东西;
NewRelic 调整;
simplify COLORS
字体微调，话题内容 CSS 排版微调;
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字体修正;
代码格式化;
微调 Model 里面的代码;
Update upyun settings, enable https support
Set default upload_url to http, it can be changed when deploy
set force_ssl in production
Mount sidekiq/web for debug