Developer credits

Git commits in Moodle x.x.x by Gootvilig David Hai

commit 960b382617373fb89f99557f4bd061ecc746206e
Author: Gootvilig David Hai <dhg@atarplpl.co.il>
Date:   Mon, 05 Mar 2012 20:38:13 +0800
Tag:    v2.1.5

MDL-31876 questionlib: fix question_has_capability_on memory bloat

commit 8d11716bfcf4aefaf1d02435ce090e985e54ee3a
Author: Gootvilig David Hai <dhg@atarplpl.co.il>
Date:   Mon, 05 Mar 2012 20:38:13 +0800
Tag:    v2.2.2

MDL-31876 questionlib: fix question_has_capability_on memory bloat

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