staff can always upload a file
inject currentUser into controllers & routes

Through Ember's DI, instead of doing so via a mixin.
fix unsubscribe link in digest emails
rake task to regenerate avatars
Update client.zh_CN.yml
fix minor copy error on ImageMagick warning
Perf: don't allocate hashes OVER and OVER in a loop, its bad
freedom patches for fixes submitted to rack
fixed ruby 2.0 p0 bug in fast_stack so re-pushing
Put category description in meta description tag
Merge pull request #1421 from ofgeek/patch-2

Update client.zh_CN.yml
Merge pull request #1420 from ZogStriP/rake-task-to-regenerate-avatars

rake task to regenerate avatars
Merge pull request #1418 from goshakkk/inject-current-user

Inject currentUser into controllers & routes
Merge pull request #1404 from ZogStriP/admin-can-always-upload-a-file

staff can always upload a file