Create a ExtendedGridBagLayout to override the add function
Create the basic structure of menubar
Create the basic login panel
Create a MainWindow

At the moment it only displayes the login panel
Move the loginPanel to subpackage 'login'
Change TextField password to PasswordField
Minor: Extract Methods from constructor in LoginPanel
Handle a click on the login button with a loginListener
Replace the loginWindow with the mainPanel after a login click
Remove the loginPanel and add the MenuBar on login
Add the basic TabLayout of the displayView
Add tables for the deparments in a dummy state
Merge branch 'master' into gui
Minor: Change constant from JFrame to WindowConstants
Minor: Extract the LoginEvent handling to a method
Add an overview of the functions to welcome the user
Create a NavigationListener and a NavigationEvent
Minor: Extract the window size to a variable
Minor: Extract configuration of MainWindow to method
Rename the DisplayEntryViewPane to LandRegisterPageView

It describes the purpose of this class better.