Added note about cron not setting up to FAQ.

git-svn-id: https://plugins.svn.wordpress.org/tieexpire-automated-post-expiry/trunk@784426 b8457f37-d9ea-0310-8a92-e5e31aec5664
Missed comma in Faq.

git-svn-id: https://plugins.svn.wordpress.org/tieexpire-automated-post-expiry/trunk@784430 b8457f37-d9ea-0310-8a92-e5e31aec5664