Git commits in Moodle 3.4.4 by Shamim Rezaie

commit 5dcdf1d1ba7f4b84a84b27aeb66ceaa02541fb4f
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Wed, 30 May 2018 10:17:22 +0800
Tag:    v3.4.4

MDL-62588 enrol_paypal: Add missing instanceid field

commit 7bb4d2d88e075742e6f17a83dde3bdf5d25efd1c
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Wed, 02 May 2018 20:39:57 +0800
Tag:    v3.4.4

MDL-62325 enrol_paypal: Added some keys and indexes to enrol_paypal.