[bug fix] When recovering a post, at times the topic related to the post still returns nil.
Use the with_deleted method to include topics that have been soft deleted so that they too can
be recovered.
disable sending email or show presence when forgot system user password
Update username should return a json response

- Have update username return json response that contains the updated
  username and id. I figured this would be better than just return "OK".
- Add test to verify that the new username is returned.
Optimize user csv export
Update INSTALL-digital-ocean.md
filesystem acronyms are scary and unnecessary
Refactor selector components for extensibility
FIX: Category badges were missing stripes in some places
FIX: Load order of Javascript
FIX: Polls were broken after Ember upgrade
FIX: LazyYT was not being applied when a post was edited
FIX: Upgrade Ember List View to add 1.9 support
change default return email address
change CTRL+E to CTRL+:
FEATURE: post chunk size should not be configurable

If people need to configure post chunk size use a plugin
Core only supports out of the box settings, if changed can lead to
severe performance issues.
FEATURE: topics per page should not be configurable

Can lead to severe performance issues
remove shortcut for now
use android 5.0 emoji set + optimize PNGs
expanding active column width

When the post gets older, its translation text needs more space
FIX: semantic HTML for category with images