Developer credits

Git commits in Moodle 3.4.x by Vladimir Zhirov

commit 0398bbe6753ab4240594e498ca1d73023d386765
Author: Vladimir Zhirov <vvzh@users.noreply.github.com>
Date:   Fri, 14 Jul 2017 06:19:11 +0800
Tag:    v3.4.0-beta

MDL-59407 folder resource: remember view mode using preference API

commit ff2dab456642284743c960778589a80f364819d3
Author: Vladimir Zhirov <vvzh@users.noreply.github.com>
Date:   Sun, 21 May 2017 00:43:51 +0800
Tag:    v3.4.0-beta

MDL-59005 resource: fixed zip extraction for filenames in CP-1251/CP-866