Rename "User Expansion" to the much clearer "User Card"
tighten up search help
another approach on mobile email images
FEATURE: Allow users to select a badge with an image to appear on their
user card
FEATURE: focus input on modals is optional
FIX: Broken spec from @coding-horror
Clean up content type and add Expires header when serving CDN assets
attempt to get content length through
fix expanded avatar 1 row css suppression
fix expanded avatar 1 row css suppress mobile
fix up /about on mobile
add missing semicolon
improve copy to reduce confusion
Merge pull request #2897 from techAPJ/patch-1

FEATURE: show full user name in emails
yet another attempt at images in email
improve email bounce reply copy
better email bouncy reply titles
FIX: respect anon_polling_interval
FIX: only poll background message bus pages once a minute
FEATURE: background_polling_interval
FEATURE: long polling pushed back to 25 seconds
FEATURE: force a poll when a bg page returns to foreground

also improve copy of message bus settings a bit
slow down rate we flush timings on posts we already know we read (10 instead of 5)
PERF: stop using jQuery to sanitize strings