Large danish update on language. Also some minor changes to the consent module...

Large danish update on language. Also some minor changes to the consent module (a corresponding patch to simplesamlphp code will be conmmited next..).

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1183 44740490-163a-0410-bde0-09ae8108e29a