Update DCAT-AP to use latest vCard specification
Starting from 2 May 2013:
- the v:namespace prefix has been replaced with vcard:
- v:Vcard has been replaced by vcard:Kind
See also the current version of the vCard specification: http://www.w3.org/TR/2014/NOTE-vcard-rdf-20140522/
Get a more formal description of Address management in the dcat-ap specification
-  Replace v:Vcard with vcard:Kind
-  Update dcat-ap with the latest version of vcard, using vcard:Kind and vcard:Address. Propose a reference table for the address type.