Merge pull request #2516 from techAPJ/patch-1

Refactor admin create task
BUGFIX: make sure category selector never gets focus on mobile
BUGFIX: share alert styling with mobile
Add admin and moderator classes to usernames so they can be styled
BUGFIX: IP lookup wasn't working when using HTTPS

REFACTOR: the ip locator into a ip-lookup component
FIX: fixture order
FIX: missing BBCODE whitelists

FEATURE: ability whitelist a RegExp
FIX: select context when search triggered via CTRL-F
FIX: user search was stemming
Feature: Paying it forward badge
FIX: set last modified date on CDN assets
make show summary a btn-primary
FIX: avatars:regenerate rake task is now avatars:refresh
better copy for summarize topic
another show summary as btn-primary
only dim the post actions, not the Replies badge
FIX: serve statically compressed files when available
PERF: default gzip to level 5
semi-colon-ing it up
FIX: missing last modified on avatars
FIX: letter avatars to live in uploads directory, add last modified