Merge pull request #2944 from awesomerobot/master

quick fix on collapsed user profile controls
Allow Emoji to be overwritten. Show added Emoji in search.
UX: Remove icons, add black/white colors to attributes in user card
UX: Add title to user card image, shrink to avoid bleeding into text.
Missing i18n key
FIX: Malformed user card HTML
UX: Let's try a fade in when the user card is shown
Broken tests, let's try popping in/out now to see how that works.
FIX: User card @mentions looked pretty bad
FIX: Missing dates on user card
Revert "FEATURE: display github profile links on user card and profile"

This reverts commit 95c518329a077997cd859a36fe3558dae325890b.
FIX: The text to users who signed up when approval was required was
misleading.
FIX: Filter user button shouldn't appear on card when there is already a filter
active.
UX: Make the user card badge image larger. If present, make text have a
smaller width to accomodate the larger image.
remove profile button from user card
trying out a new css-only loading spinner