created migrations and models files
removed username and password fields from database.yml file
added BCrypt and has_secure_password to user model
added migrations for users, slideshows, slides, elements and element_types
added user associations
added creator user_id field to slide migration
ran bundle update for troubleshooting
added models slide, slideshow, element and element_type, dirty lobster
troubleshooting macos update postgres errors
fixed typos in slide model and routes.rb
Merge pull request #1 from eigilsagafos/migrations_models

Migrations models