Merge pull request #10 from hlee/master

many many hours try to deploy at heroku #4
合并分支
添加多个聊天室的实现
Merge pull request #11 from songjiayang/master

实现多个聊天室功能～～～
完成首页统一展现
Merge remote-tracking branch 'fire-chater/master'
Merge pull request #12 from songjiayang/master

添加了公共首页～
添加用户头像
Merge pull request #13 from songjiayang/master

添加用户头像设置
修改了bug
添加了头部和修改部分样式
Merge remote-tracking branch 'fire-chater/master'
添加markdown写法
Merge pull request #14 from songjiayang/master

添加公共头部
remove deploy issue