Mail::SpamAssassin::Util::RegistrarBoundaries is being replaced by
Mail::SpamAssassin::RegistryBoundaries so that new TLDs can be updated via
20_aux_tlds.cf delivered via sa-update.
Also removes a couple of defunct shortening services and adds a couple of news ones.
From http://svn.apache.org/repos/asf/spamassassin/branches/3.4/UPGRADE
Also removes a couple of defunct shortening services and adds a couple of news ones.