Add getGravatar method to user model
Pretty gravatar-using people list
Show gravatar on user page
Gravatars and some style tweaks on applications list
Show gravatar and username on single application
Add gravatar and instructions to account settings
Trim some trailing whitespace
Merge pull request #30 from michd/gravatars

Add Gravatars to give some personality
Re-add significant whitespace.
Get gravatar from user model (not data object).

`data` may be the raw post data or in future may be the output of
loggedInUser.toJSON() so it cannot be relied upon to have the
getGravatar method
Use inline block instead of float left

Avoids a taller entry in column 3 causing the next row to start in
column 4.
Lowercase emails before MD5 for gravatar.