michaelhue/li3_gravatar — pull request #1 by mehlah (2012-12-30 13:32:03+00:00)
Title: Fix default image

Hello Michael,

this brings two updates:
- `default` param is now optional since Gravatar serve a default image (their logo) if an email address has no matching Gravatar image
- Added missing options: `retro` and `blank`

(additionally fix some whitespaces issues)

Gravatar blog post on new changes: http://blog.gravatar.com/