Merge pull request #23 from bay6/master

slim and basic report map
Merge pull request #26 from bay6/master

map style change
Fixed #24
Merge pull request #27 from bay6/master

limit only admin role access rails admin
完成瀑布流
删除编译后的静态文件
Merge pull request #28 from songjiayang/master

突然发现一个插件蛮好用的，轻松搞定瀑布流～～～～
Fixed #29
added likeable and redis
added the relation of likeable between user and client