Added fullscreen functionality

Reviewed by Simon
Initial CardLayout setup

Reviewed by Simon
Name: Christopher Mortensen

DbFacade, Controller, DBConnector and UnitOfWorkProcess were connected with each other, as in the class diagram.
Note: it may look confusing, but DBConnector is a singleton class and it has a method that returns a connection.

Reviewed by: Thomas
Added functionality to Frontpage Exit button

Reviewed by Simon
Merge origin/master
Delete config.properties
Delete private.properties
Delete private.xml
Merge pull request #1 from CodingCo/master

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