Initial commit. I usually don't bunch everything up into one commit like this but I got a bit carried away with my hacking.
-batch update MailChimp Database function set
-simple devise for user model setup
-management of mailchimp sync status attribute for user model set
-rake task to batch update MailChimp Database
Merge branch 'master' of github.com:mujtaba3B/mailchimp-email-challenge