Point Travis build image in the right direction
Fix email unsubscribe URL
Add backend functionality to get user profiles from Google+
Update class photo page to allow users to get their profile info from Google Plus
Save Google Plus profile URL in the database if supplied by the user
some refactoring
Bump Pillow version
Updated documentation a bit
Update code to get emails and process them for storage
Isolate signups per sequence
Fix test
Merge pull request #42 from p2pu/sequence-isolation

Isolate signups per sequence
Dump emails and timestamp complete data dump
Allow copying emails that was already sent
Order emails by date sent
Drop support for Django 1.4
Resolved conflicts