Developer credits

Git commits in Moodle x.x.x by Andres Melo

commit 3ffd13827eb68fdce514cfdf0345512fafba8ed2
Author: Andres Melo <andresmelo@iMac-de-JuanPaez.local>
Date:   Thu, 18 May 2017 05:07:29 +0800
Tag:    v3.4.0-beta

MDL-46322 mod_assign: Only list enrolled graders as potential markers

commit a4ad655bf1f9b4da35d52d250db7b3bf7c93c0d7
Author: Andres Melo <andresmelo@iMac-de-JuanPaez.local>
Date:   Thu, 18 May 2017 04:54:40 +0800
Tag:    v3.2.4

MDL-46322 mod_assign: Only list enrolled graders as potential markers