Item12839: Item12943:  Issues with MailerContrib REST

  Need to specify the security parameters

  Also the rest handler crashes with an invalid array reference.

  Document the url parameters when called as a rest handler.

git-svn-id: http://svn.foswiki.org/trunk/MailerContrib@17767 0b4bb1d4-4e5a-0410-9cc4-b2b747904278