Include pry-rails in production
Update MIGRATION.md
BUGFIX: re-enable CDN js debugging in a robust way

May be disabled if needed via site setting
BUGFIX: show usernames logic, logic failure
Show system badges in the admin interface but don't allow editing them.
Badges page ordering and titles.
Change badge user list limit to 96 so that it is divisible by 8.
Badges admin UI improvements.

* Query param to allow linking.
* Better handling of deleting unsaved badges.
* New badge list item style improvement.
Merge pull request #2361 from awesomerobot/master

making the color customizer a little nicer with dark themes
Merge pull request #2357 from techAPJ/master

Update MIGRATION.md
shorten "all subcategories"
minor copyedit
Merge pull request #2352 from riking/patch-2

Include pry-rails in production
Merge pull request #2360 from vikhyat/badge-system

Badge system updates
some simple style cleanup