Display a larger preview of Gravatar when hovering
Update gravatar preview and add it to the message list as well
Fix issue where updating the same gravatar twice
Fix whitespace
Support touch screens too...
Dem dam whitespace
Add flag to hover preview in message list
Fix hover preview layout

Tested in IE11, FF29.0, Chrome 35
Fix up display on smaller screens
Fix preview layout issues in users list

When on small screens
Merge pull request #1146 from JabbR/gravatar-hover-preview

Gravatar hover preview