[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.
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.
expanding active column width

When the post gets older, its translation text needs more space
FIX: redirect client to the original url after logging in for private instances
Merge pull request #3047 from awesomerobot/master

setting static base font size
FIX: automatically use uploaded avatar when uploading an avatar
Remove group name validation case sensitivity
Associated accounts -> Logins
try to correct font scaling problems on Firefox
remove extra font-size declaration
Merge pull request #3045 from techAPJ/patch-2

FIX: redirect client to the original url after logging in for private in...
Merge pull request #3043 from fantasticfears/patch-9

expanding active column width
Merge pull request #3035 from oblakeerickson/update_username_return_json

Update username should return a json response
Merge pull request #3033 from verdi327/account_for_deleted_topic

[bug fix] Use with_deleted when looking up soft deleted topics for recovery
`Ember.empty` has been renamed to `Ember.isEmpty`
Many fixes for Ember 1.9.0
Fix more deprecations for 1.9.0
More 1.9.0 fixes
fix raw helper so its handlebars 2.0 compliant
compatibility fixes