Completed timeline

Recommited the code portal page, adjusted some pages' UI, achieved the
timeline
Revert "Completed timeline"

This reverts commit 050f4a8698d6859a0a15919af8baf2d7b502a592.
Merge remote-tracking branch 'upstream/user' into user
Completed timeline

Recommitted portal page, adjusted some pages' UI
i18n fixes
Merge pull request #464 from linzongshu/user

Completed timeline
Merge pull request #465 from sexnothing/user

Uclient module
Fix for array_walk usage
Changed user_account schema: email to default NULL
Fix for setAccount in uclient
Fix edit user account
Merge pull request #466 from liuchuangww/user

Fix edit user account
Merge pull request #467 from sexnothing/user

User list bug handler
Add home link for user list
Merge pull request #468 from liuchuangww/user

Add home link for user list
Code clean up
Merge pull request #469 from linzongshu/user

Code clean up
User bug handler