adds integration tests for notifications dropdown in header
we don't need this backport
fix Rails 4 multisite so connection handlers don't keep spinning up new pools
move dbs into git ignored area
Update client.zh_CN.yml
Merge pull request #1619 from ofgeek/patch-1

Update client.zh_CN.yml
ninja_edit_window is is seconds, not minutes
keep track of the user who revised a post
update fog gem
fix avatars:regenerate rake task
fix for emoji precompile
use absolute url for assets too
Fixed Youtube videos appearing on top of compose panel (props to @hrobertson)
Support for inviting to a forum from a user's invite page.
Category descriptions should not appear in digests
FIX: Larger click target for topic progress bar
Category dropdown should be in the `position` order
Downgrade Sidekiq to 2.15.1 because our sidekiq workers are dying
FIX: Oneboxes were losing formatting in preview after being cached.
Fix migration that does not contain position