Merge pull request #453 from liuchuangww/user

Add activity template test demo
Move demo template to user
Merge pull request #454 from liuchuangww/user

Move demo template to user
Fix user module config
Merge pull request #455 from liuchuangww/user

Fix user module config
Merge branch 'user' into user-adivspan
Completed front-end of portal page
Edit user avatar
Merge pull request #456 from sexnothing/user

Edit user avatar done
Uclient fix
Typo fix
Merge pull request #457 from liuchuangww/user

Typo fix
Uclient fix
Merge branch 'user' of https://github.com/pi-engine/pi into user
Uclient fix
Added message for empty user
Fixed the pages about register, login and password
Fix for role assignment
Merge branch 'user' into user-adivspan
User list in uclient module