Add Passport-local, cookie-parser, and bcrypt.
Add access and session control via Passport.js

    - Create Passport.js configuration.
    - Create routes and views for:
        - Login
        - Logout
        - Initial sign up if no users are present

    - Add Passport-specific class and instance methods to user object.
    - Add access control helper functions to admin routes.
Add flash message to admin login
    - Add connect-flash middleware.