Git commits in Moodle 3.4.3 by Martin Gauk

commit b13a4c68ede7ae595ffc48a9cbf5b99479cc9a4e
Author: Martin Gauk <gauk@math.tu-berlin.de>
Date:   Fri, 23 Mar 2018 17:08:39 +0800
Tag:    v3.4.3

MDL-61733 atto_table: fix creating new table


commit bede042b124aa66be64bfd718307faeb971b2dd2
Author: Martin Gauk <gauk@math.tu-berlin.de>
Date:   Tue, 20 Mar 2018 21:13:08 +0800
Tag:    v3.4.3

MDL-61519 coursecat: do not cache get_all_children_ids


commit 72901ac8465fe51fa2e206fe63f9f076e95fa895
Author: Martin Gauk <gauk@math.tu-berlin.de>
Date:   Tue, 06 Mar 2018 00:16:41 +0800
Tag:    v3.4.3

MDL-61519 calendar: do not iterate through all categories