Fixed production hostname bug with mailers
Troubleshoot Heroku mailer hostname bug
Debug email settings on Heroku
	- fixed Mandrill email SMTP settings - port was incorrect
Heroku email debug: config.action_mailer.perform_deliveries = true
Refactored specs; user activation token timeout
	- activation token expires after 2 hours
	- fixed the Heroku email glitches
	- refactored user interface / integration specs to be more atomistic