sferik/rails_admin — pull request #914 by thomas-mcdonald (2012-01-04 18:47:41+00:00)
Title: Only show Gravatar in header if user responds to email

Should be self explanatory really, there is already a check to see if the current user responds to email before attempting to link the email -> the user edit page, but none before attempting to use the email to create a Gravatar image.