Merge pull request #2755 from techAPJ/patch-2

Update Translations
FEATURE: Show an email icon beside posts that arrived via email
FEATURE: reset topic counters at the end of the import
FIX: always show the progress bars when skipping posts/users in importers
FIX: add classes to mobile education panels
FIX: tabindex was not set on the category chooser when creating a topic.
Remove deprecated `Ember.Set`
rename site settings for trust levels as numbers
more renaming of trust level settings
more renaming of trust level settings
copyedit on full name help
FIX: edit history user setting was appearing
lighten wiki and email left gutter icons a bit
FIX: migrate trust level site settings
fixing egg-shaped badges on mobile
Merge pull request #2758 from awesomerobot/master

fixing egg-shaped badges on mobile
Add education panel for starred tab