AndrewFreemantle/Gravatar-HtmlHelper — pull request #1 by dmytroduk (2012-07-06 17:43:46+00:00)
Title: Processing null email addresses and closing image tag.

Hello,
I've made couple of tiny fixes:
- now it is possible to use it with null email address and get rid of null reference exceptions.
- closing img tag to avoid HTML validation warning.