Merge remote-tracking branch 'origin/NIFTy_6' into integration_operator

10 jobs for integration_operator in 8 minutes and 23 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build Docker
passed build_docker_from_cache #1080959

00:00:17

 
  Test
passed test_mpi #1080961

00:00:33

passed test_serial #1080960

00:03:02

85.0%
 
  Demo Runs
passed run_bernoulli #1080967

00:00:29

passed run_curve_fitting #1080968

00:00:27

passed run_getting_started_1 #1080963

00:00:32

passed run_getting_started_2 #1080964

00:00:52

passed run_getting_started_3 #1080965

00:01:39

passed run_getting_started_mf #1080966

00:05:03

passed run_ipynb #1080962

00:01:27