Add whois.rrpproxy.net parser
fix registrar fields for whois.rrpproxy.net
Merge remote-tracking branch 'upstream/master' into whois.rrpproxy.net
Use the new RSpec syntax for whois.rrpproxy.net tests
Merge pull request #259 from takama/whois.rrpproxy.net

Added support for whois.rrpproxy.net.