Adding ID field to the User class
adding database tables for the users and roles
Define the DAO bean for the UserDAO object in the security config file
Refactor of the User Model
Enabling Spring Transactions, needed for making SQL transactions
Convert Java.until.date to the Jave.sql.date. This gave errors when
putting it a database.
Adding Database queries method to the DAO object + Testing!
(WARNING: Travis will fail because he doesn't know the MySQL DB yet)
Cleaning up test.