Mongo Connections and Schemas

Added - config/database.js which connects to the database supplied
Added - models/users.js which contains the schema for the users
Moved - Database Conn String logic from server.js to app.js
Users Passwords and Brute Force Protection

Added - bcrypt now included in package.json
Added - models/user.js
- Automatic hashing of passwords on save
- Auto locking after to many failed attempts in LOCK_TIME time
Added - Test for adding and saving users and demo of User Model usage
Basic Register

Added - Basic registration form
Merge pull request #4 from hibob224/Mongo

Mongo