FrontPage buttons now has functionality

 - Logout button is not visible anymore(not part of this sprint)

Reviewed by: Christopher
NewBookingPage skeleton done

Reviewed by: Kasper
Changes in UnitOfWorkProcess and DbFacade
Reviewed by Simon
Merge origin/master
NewBookingPage skeleton extended

Reviewed by: Thomas
Merge origin/master
Merge branch 'DataSourceKasper'

Conflicts:
	src/dataSource/DbFacade.java
	src/domain/Controller.java
Merge branch 'DataSourceKasper' of
https://github.com/CodingCo/NewERP into DataSourceKasper

Conflicts:
	src/dataSource/DbFacade.java
	src/domain/Controller.java