feature: use select2 instead of chosen
[FIX] Wiki Topic - IE / FF problem with post admin menu.
We dont need image sorcery gem for a single convenience method
add ignore for tombstone
Improve resize logic so images end up sharper
Work in progress, keeping avatars locally

This introduces a new model to store the avatars and 3 uploads per user (gravatar, system and custom)

user can then pick which they want.
BUGFIX: sometimes we have stringio, it has no close
Fix specs for avatars
Implement avatar picker
Correct avatar related jobs
We need pry in development
BUGFIX: broken spec
BUGFIX: include avatar for system user
BUGFIX: exclude avatars from mini profiler
BUGFIX: rake task for creating an admin was not activating the account
FIX broken spec
BUGFIX: support CDN for avatars
Correct broken spec
Implement S3 support
BUGFIX, selecting uploaded avatars incorrectly in some cases
jshint oops
oops, had trouble with qunit locally
use bicubic so we support earlier image magicks like the one in docker

TODO upgrade docker base image to latest image magick
BUGFIX: broken like expansion