Fix suspended scope

:non_suspended should check if suspension is <= NOW, else one could end up in neither group.
Include pry-rails in production
Set up poll plugin javascript using an Ember initializer.
Update MIGRATION.md
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 #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
Merge pull request #2363 from awesomerobot/master

some simple style cleanup
add glyph to Sign In to Reply button
Remove the special styling on the Categories link
Merge pull request #2364 from riking/patch-4

Remove the special styling on the Categories link
correct error in CSS
korean translation: *.ko.html.erb