Git commits in Moodle 2.3.0 by Gootvilig David Hai

commit fe0fbfae315b00199b8360d9a02ccda10d2536b3
Author: Gootvilig David Hai <dhg@atarplpl.co.il>
Date:   Mon, 05 Mar 2012 20:38:13 +0800
Tag:    v2.3.0-beta

MDL-31876 questionlib: fix question_has_capability_on memory bloat