renamed the logincontroller to authenticationcontroller
added a logout function to the authentication controller and implemented the logout functionality in the admin layout
- moved the authentication with passport to a separate authenticator module
- implemented the authentication against an actual user in the database
- check if the user is still active when a successful authentication is done

fixed a type in a require

renamed the mockedresponseobject to a temp name

renamed the mockedresponseobject back to its original name
disable the user when it tries to login for the fifth time in a row
Merge pull request #12 from rvdkooy/authentication_feature

pull request for authentication feature
this closes #11