Git commits in Moodle 2.0.4 by Aaron Barnes

commit 4754c0edd14f007c5bf498351f4fd0858d93b257
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Fri, 10 Jun 2011 09:53:58 +0800
Tag:    v2.0.4

MDL-27757 lib/completionlib.php: Load "enablecompletion" property if required

commit 90061a6d95e48f87eb50eed488822d907407eaea
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Thu, 17 Mar 2011 10:04:33 +0800
Tag:    v2.0.4

MDL-26190 completion blocks: Completion blocks shouldn't ever be blank