Git commits in Moodle 3.4.2 by David Mudrák

commit b3016e0e1bc046aff4aa201f3d01746c3d546e03
Author: David Mudrák <david@moodle.com>
Date:   Wed, 28 Feb 2018 21:17:24 +0800
Tag:    v3.4.2

MDL-60101 auth_oauth2: Don't allow suspended users to SSO in via OAuth2

commit c22ea810ee5351dc927d992df472f1a5b46c5368
Author: David Mudrák <david@moodle.com>
Date:   Thu, 15 Feb 2018 19:50:46 +0800
Tag:    v3.4.2

MDL-61392 enrol_paypal: Improve IPN input parameters checking

commit 0167ce3ded8b5edcbc6627a73c614bbd9a7ec819
Author: David Mudrák <david@moodle.com>
Date:   Thu, 15 Feb 2018 17:28:31 +0800
Tag:    v3.4.2

MDL-61392 enrol_paypal: Improve the IPN notifications handling

commit 32324be121ac06868aeafed1616b4e0132bbf4f8
Author: David Mudrák <david@moodle.com>
Date:   Thu, 15 Feb 2018 01:06:45 +0800
Tag:    v3.4.2

MDL-61453 user: Fix accepted file type when uploading user pictures

commit 4d3651a151dc4bac6664dec44f0cdb22476a216b
Author: David Mudrák <david@moodle.com>
Date:   Thu, 01 Feb 2018 06:05:22 +0800
Tag:    v3.4.2

MDL-61242 repository_equella: Fix missing class repository

commit 94e7b022c79b13cfc5072faf7bf241bf79753ca5
Author: David Mudrák <david@moodle.com>
Date:   Thu, 25 Jan 2018 06:19:51 +0800
Tag:    v3.4.2

MDL-61477 admin: Allow plugins to act as alternate policy handlers