personal page layout
Merge pull request #20 from zhuple/vixuowis

Create node version of ALG.SO
Merge branch 'master' into roscoe20141113
增加github登陆方式，controller从users改为user(之前不太规范)
调整github登陆链接样式
Merge pull request #21 from zhuple/roscoe20141113

LGTM
Add mongodb; Fix navbar