Made interface for active annonseweb elements

Interface implemented for Ad, AnnonsePerson, ContactPerson, Customer
and Sale.
Views changed according to model changes.
Macro added for this specific input.
Inserted newlines in note reminder sidebar
Merge branch 'master' of github.com:mediastud/annonseweb

Conflicts:
	api/src/main/java/no/dusken/annonseweb/models/Sale.java
	web/src/main/resources/no/dusken/annonseweb/VM_global_library.vm