Git commits in Moodle x.x.x by Kilian

commit 533a7edeae0dafc7377da19731c03ba4105fe166
Author: Kilian <kilian.singer@quantumtechnology.info>
Date:   Fri, 27 Oct 2017 04:43:28 +0800
Tag:    v3.5.0-beta

MDL-38829 core: Unit test for xmlize using two sample xml files.

commit e4d61d83213a604b97825157485a84f001183286
Author: Kilian <kilian.singer@quantumtechnology.info>
Date:   Wed, 25 Oct 2017 16:00:33 +0800
Tag:    v3.5.0-beta

MDL-38829 core: Remove xmlize from thirdpartylibs

commit 7825ffb1d590caaa102060938edf3b61b22363ab
Author: Kilian <kilian.singer@quantumtechnology.info>
Date:   Wed, 25 Oct 2017 16:00:33 +0800
Tag:    v3.5.0-beta

MDL-38829 core: fix for xmlize is unable to import xml files>10MB