Updates

[geraintluff]

• [ ] http://schema.org/addressCountry - can be ISO code
• [x] remove URL prefix (for portability), keep .json suffix in URL
• [x] "media": {"type": "application/json; profile=..."}
• [x] mark URIs as links on parent, not rel="full" on child
• [x] http://schema.org/url - mark as rel="self", not http://schema.org/url
• [x] #/definitions/possibleRefArray could be string (and check array items). Link only applies if string - could even throw link into parent
• [ ] telephone property should be multiple