Includes functioning OAuth using Passport with Facebook Strategy.

Moves all routing (placeholder for now) into routes.js from server.js.
Registered as Facebook Developer to receive App ID and App Secret.
Updated server.js to handle Passport OAuth using Facebook.
Updated passport.js to handle Facebook login/authentication requests.
Updated auth.js to handle Lender Bee developer Facebook information.
Created testUser.js to temporarily function as schema for new users (testing).
Removes local authentication strategies.
Added 'use strict' to each .js file.
Replaced all double quotes with single quotes.
Flash module was incorrectly commented; fixed.