Git commits in Moodle 2.2.4 by Eric Merrill

commit 4e6fbf663cef70f8d9e7985fc8f79eee1cda9e88
Author: Eric Merrill <merrill@oakland.edu>
Date:   Thu, 07 Jun 2012 00:04:03 +0800
Tag:    v2.2.4

MDL-32985 cron: Fixing related problem with setting of lastnotifyfailure


commit 278fc5d6dcf5adcf70a0ccbad10fc7c808ef1360
Author: Eric Merrill <merrill@oakland.edu>
Date:   Mon, 14 May 2012 23:00:39 +0800
Tag:    v2.2.4

MDL-32985 cron: don't execute notify_login_failures unnecessarily