not_private scope, added spring for faster specs
spec for show private wiki error
Added pundit, refactored WikiController#show to authorize
refactor users factory for user_with_wikis
users authorized to see collaborative wikis and create new ones
formatting of wikis index page
User#role_for
edit wiki policy on wikis index page
spec for markdown helper
update collaborators action, view, model, and rspec
refactor WikisController to be more DRY
fix create collaborations, authorizations for edit,delete
added user accounts and clarified premium authorization
added strip to account for premium upgrade
retain stripe customer id and show info on account page
spec for show account, some cleanup
layout home page, enforce privacy setting authorization
added EpicEditor and specs pass