Multiple grant badges.
Admin badge creation bug fixes.
Group profile page template: add extra class so that we can differentiate group details from user details in CSS

Since the layout of the "user details" section on the Group profile page is very different from a regular User profile page, we need to be able to selectively style the Group profile. Achieve this by adding a CSS flagging class.
add Chef recipe for ImageMagick
FIX: i resolved that merge conflict badly. category notification settings dropdown was never showing.
Merge pull request #2394 from kschaper/chef_imagemagick

add Chef recipe for ImageMagick
Merge pull request #2392 from borhub/allow_css_targetting_of_group_profile

Group profile page template: add extra class so that we can differentiate group mode
Merge pull request #2372 from vikhyat/badge-system

Multiple grant badges
clarify that it is a new user
add guide links to google oauth 2 warning
Move letter avatars out of upload system
FIX: S3 issues around system avatars
FIX: reduced backup file size
Comment out category notification button, it is breaking qunit
BUGFIX: allow users to pick no avatar
rebake based on version, not date
Correct invalid spec
Remove dead code