Git commits in Moodle 3.3.1 by Vladimir Zhirov

commit 4b8d403606318fbc84173d2b1ed8a9c045c28e6b
Author: Vladimir Zhirov <vvzh@users.noreply.github.com>
Date:   Sun, 21 May 2017 00:43:51 +0800
Tag:    v3.3.1

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