Merge pull request #2485 from awesomerobot/master

fixing alignment on topic list category buttons
REFACTOR: Convert profile background uploader to be an ember component
REFACTOR: uploading avatar should share code with upload component
REFACTOR: Use common path for RESTful `DELETE` action from upload image
component
FEATURE: Can upload images to categories
FEATURE: Uploaded images to categories are shown when browsing
TWEAK: Don't show subcategory topic definitions when viewing a category list.
FEATURE: add staff counters on user profile
BUGFIX: max-height on user bio in user-card/profile
Change pop3 auth errors from admin message to dashboard notice
BUGFIX: staff counters were too big
FIX: Don't surround `<aside>` with `<p>` as that is malformed HTML.
Fix specs, handle_exception calls
Even better fix
add default style for aside.quote (expand quote)
FIX: user profiles borked at min width
Merge pull request #2486 from riking/no_group_messages

Change pop3 auth errors from admin message to dashboard notice
PERF: push reindex job to daily
TEST: break build to ensure docker process does not update to this file
Revert "TEST: break build to ensure docker process does not update to this file"

This reverts commit 9e75b930e4d01bc145c4f8aab1e0e1686352c84a.