comment service ready(add ajax)
markup like and share tag, and mv some SQL opes from POJO to QueryHelper
add "like" feature
solve cache problems
little change
Post and comment cache ready
PostService and HotPostService log
add log to service layer
加入like操作的cache管理
add tag cache
简化service层对DAO的持有
加入本周及本月热门post排行
热门post 服务
add subscribe service
update login service