Prettifying norwegian translation

Removed obsolete, translated new, removed incorrect spacing and
hyphenation, misc. improvements in term usage. Ref.
http://i18n.skulelinux.no/nb/Fellesordl.eng-no.html.
Remove WebForms from nuspec file

Not just WebForms anymore. :)
Merge pull request #49 from lars-erik/6.1.3

Prettifying norwegian translation