invoice printing possibility started. Some broken links fixed
Update before release

Updatet prices and types of ads, as instructet på marketing.
Updatet model for AnnonseNote to now be able to be connected to ad.
Log in now done through underdusken ldap.
AnnonsePerson now inherits from Person, not DuskenObject.
Welcome greeting updated.
Lists of customers, sales.. are now shown with name first. Makes easier
lookup.
Language now updatet. Where before English, now Norwegian.
Corrected other language errors.
Hid/removed some unused/unimplemented stuff.
Merge branch 'master' of github.com:mediastud/annonseweb

Conflicts:
	web/pom.xml
	web/src/main/resources/no/dusken/annonseweb/VM_global_library.vm
	web/src/main/resources/no/dusken/annonseweb/web/invoice/edit.vm
	web/src/main/resources/no/dusken/annonseweb/web/invoice/invoice.vm
Fixed SLF4J issue. Logger now exists. fixed textual errors.
changelog should be used from now on