Git commits in Moodle 2.1.0 by Aaron Barnes

commit 7075e37e0cd9590b3ef97f73b8e16c2e44794848
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Fri, 10 Jun 2011 09:53:58 +0800
Tag:    v2.1.0

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

commit e874292134402dceb69ee4c8174c4b8565b9984c
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Wed, 27 Apr 2011 11:56:48 +0800
Tag:    v2.1.0

MDL-25594 completion: Remove unused column from query

commit 5227344a07810476fd08604dcb1d096fe15945fa
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Wed, 27 Apr 2011 11:33:45 +0800
Tag:    v2.1.0

MDL-26628 completion report: Fix hard coded strings in Completion report

commit 0e5e1daaee4116edb418373ffe882466bb805b05
Author: Aaron Barnes <aaronb@catalyst.net.nz>
Date:   Thu, 17 Mar 2011 10:04:33 +0800
Tag:    v2.1.0

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