FIX: avatars:regenerate rake task is now avatars:refresh
FIX: include topic title and domain name in topic invite mail
Merge pull request #2523 from techAPJ/patch-3

FIX: include topic title and domain name in topic invite mail
add badge glyph to edit button
FIX: properly support sendfile on all routes
FIX: disable unused etags
Improve invite email copy
minor copyedits
Merge pull request #2524 from techAPJ/patch-3

Improve invite email copy
grammar tweak. It's shorter too!
FIX: disable x accl redirect for CDN assets

We need to keep headers in tact
FIX: remove hardcoding from middleware stack so we can control it
FIX: allow for subdirectorys for cdn assets
quick temporary fix for wrapping right gutter
copyedit
we don't want danger color on mobile category
make sure /top looks OK on mobile
Update logster
Seed categories with capitalized names
Merge pull request #2517 from ninjasphere/fix_avatar_refresh_task_name

FIX: avatars:regenerate rake task is now avatars:refresh
adding some topic layout flexibility