Rails generate mailer model and view
Initial unit and feature test setup.
Add formatting to test output
Add config for 'email_spec' gem
WIP - Trouble with RSpec. Keeps crashing.

  * Currently implementing email notifications for new post submissions.
Send notification email when new post is created.
Notifications mailer
Development environment config for SMTP mail.
Look for 'Check it out here' link in email.
PostsController specs for new post email.
Merge branch 'email'
Email should be sent from banana-boat.herokuapp.com