Merge branch 'wip/mvcc' into 'master'

Wip/mvcc

See merge request !1
4 jobs for master in 96 minutes and 50 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build
passed build #471
grouprunner

00:57:23

failed coverage #475
grouprunner

00:39:26

failed coverage #472
grouprunner

01:00:01

 
  Test
skipped test #473
grouprunner
 
Name Stage Failure
failed
coverage Build

Total Test time (real) = 15.19 sec

The following tests FAILED:
22 - TopologyJoinTest (Failed)
34 - ZMQPubSubTest (Failed)
Errors while running CTest
Authenticating with credentials from /root/.docker/config.json
ERROR: Job failed: exit code 1