Complete user privacy and fix build data
Merge pull request #380 from liuchuangww/user

Complete user privacy and fix build data
Separate admin login from front login
Merge branch 'user' of https://github.com/pi-engine/pi into user
User upload avater
Merge pull request #381 from sexnothing/user

User upload avater
Refactor user privacy
Merge pull request #382 from liuchuangww/user

Refactor user privacy
Typo fix
Merge pull request #383 from liuchuangww/user

Typo fix
Add avatar left nav
Merge pull request #384 from liuchuangww/user

Add avatar left nav
User maintance page in admin
Merge pull request #385 from sexnothing/user

User maintance page in admin
Merge remote-tracking branch 'origin/user' into package