Code style fixes and using human_time_diff instead of hardcoding timeout in log message.  Fixes GSOC Trac #377
http://gsoc.trac.wordpress.org/ticket/377

git-svn-id: http://gsoc.svn.wordpress.org/2013/codebykat/post-by-email/trunk@2354 f69abe3c-2ee2-4550-9a6d-17bd458115be