That way we can still obtain an avatar, based on the email address.
Fallback to gravatar when user hasn't added an avatar but has entered an email-address.
Note this somewhere during account creation/edit, so users know that they don't need to upload an image if they already have Gravatar.
Changeset Wiki macro error: Changeset 2e3fe79be209 not found.:
Added info-text about Gravatar fallback, fixes #294
Removing milestone: 2. Hard to Kill (automated comment)