Switch to side-by-side view

--- a/Allura/allura/lib/gravatar.py
+++ b/Allura/allura/lib/gravatar.py
@@ -60,4 +60,4 @@
     return ('https://secure.gravatar.com/avatar/%s?%s' % (gravatar_id, urllib.urlencode(kw)))
 
 def for_user(user):
-    return url(user.preferences['email_address'])
+    return url(user.get_pref('email_address'))