added model/view/migration for episode, migrated database
finished seed data for episodes (does not include url or synopsis
says I need to commmit
merged with master
added helper methods for users in application controller: current_user and admin?
episodes crid complete, v1.0
Merge pull request #21 from LaunchAcademy/add_episodes

episode CRUD functionality complete, v1.0
Revert "Add episodes"
Merge pull request #23 from LaunchAcademy/revert-21-add_episodes

Revert "Add episodes"
Use ruby 2.1.2
Merge pull request #25 from LaunchAcademy/use-ruby-2.1.2

Use ruby 2.1.2
Merge remote-tracking branch 'origin' into tests
Refactored code