Installs pundit gem
initial config for simplecov
Adds initial setup for pundit
db migration to make published an indexed db field
Adds simplecov include to test helper
Adds published field to existing fixtures and adds additional test fixtures
Updated tests for authorizations module
Updates db schema
Adds Class methods for getting common values from posts and users models
Updated html to make tests pass
Adds convenience methods to posts helper
Implements authorize and policy scope in posts controller
Adds updated Pundit friendly PostPolicy class