Git commits in Moodle 3.5.6 by Abhimanyu Kumar

commit d7903d34f0fc00eae6b352386b1c569a168a7aca
Author: Abhimanyu Kumar <abhimanyukrsingh00@gmail.com>
Date:   Sat, 23 Mar 2019 21:04:03 +0800
Tag:    v3.5.6

MDL-64959 uploaduser: remove leading/trailing spaces from CSV headings