minor stuff and PHP 5.2 compat

git-svn-id: http://gsoc.svn.wordpress.org/2013/codebykat/post-by-email/trunk@2371 f69abe3c-2ee2-4550-9a6d-17bd458115be
take URLs out of i18n functions

git-svn-id: http://gsoc.svn.wordpress.org/2013/codebykat/post-by-email/trunk@2372 f69abe3c-2ee2-4550-9a6d-17bd458115be