Developer credits

Git commits in Moodle x.x.x by Ann Adamcik

commit 4b4280f3e8c51d81ea0c165baeea596c25a89e5f
Author: Ann Adamcik <adamann2@isu.edu>
Date:   Sat, 02 Dec 2017 03:56:15 +0800
Tag:    v3.5.0-beta

MDL-58697: Only get group submission if enabled

commit 4c492f8646956d21232b525830835e6bc8bcdf69
Author: Ann Adamcik <adamann2@isu.edu>
Date:   Sat, 02 Dec 2017 03:53:28 +0800
Tag:    v3.4.3

MDL-58697: Only get group submission if enabled

commit 287089b1a2faa5feabb2512eab3a7517eb4b26fe
Author: Ann Adamcik <adamann2@isu.edu>
Date:   Sat, 02 Dec 2017 03:48:44 +0800
Tag:    v3.3.6

MDL-58697: Only get group submission if enabled