Implemented unit tests for all existing domain classes...

Implemented unit tests for the toString method for all existing domain
classes… the only classes where they are not implemented are
Vaccination and VaccinationTypes...
Created and dded UI Images...

Images inclue kpLogoBlock, kpAdminBar, kpLoginBar, kpLoginFailedBar
Added additional UI Images...

Added kpFooter and kpLogoBlockMini...
Add graphics and created/applied new layouts...

Added graphics and applied new layouts: kpMain and kpLogin...