Adopt some more of RIPE's style and names

Clean up notices a little.

Fix tests where copyright is in links. TODO: add tests for copyright in notices.
Fix tests
Merge branch 'upstream-rdap' of github.com:APNIC-net/whois into upstream-rdap

# By inazumax
# Via inazumax
* 'upstream-rdap' of github.com:APNIC-net/whois:
  modifying the rdapexception stuff to take a Response.Status object instead of just an int.