Copy: Change {x} new topics -> {x} new posts
Merge pull request #2373 from riking/patch-2

Copy: Change {x} new topics -> {x} new posts
Username length is now minimum 20
Add Google Oauth2 authenticator. The current Google OpenID authentication has been deprecated by Google and will NOT work for any new websites.
* Increase pool size to allow for a few extra bg threads in sidekiq
Annotate models
BUGFIX: improve error messages for invalid API keys
BUGFIX: don't track last seen for message bus
FIX broken spec
Add link to google config instructions. Fix dashboard warning for google oauth2.
FIX: new sites would get enable_google_logins true, should be false now
darkening the too-light-grey and the primary black a bit
Merge pull request #2374 from awesomerobot/master

darkening the too-light-grey and the primary black a bit
improve domain/url block message
Fix failing spec. Stubbing intermittently does not stub...
Remove that spec
FIX: don't enable new google auth setting on an existing site