Merge branch 'opsumdomains' of https://gitlab.mpcdf.mpg.de/ift/nifty into mf_plus_add

9 jobs for mf_plus_add in 9 minutes and 4 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build Docker
passed #761549
build_docker_from_cache

00:00:22

 
  Test
passed #761551
test_mpi

00:04:26

passed #761550
test_serial

00:05:14

80.0%
 
  Demo Runs
passed #761556
run_bernoulli

00:00:40

passed #761557
run_curve_fitting

00:00:41

passed #761553
run_getting_started_1

00:00:44

passed #761554
run_getting_started_2

00:01:33

passed #761555
run_getting_started_3

00:03:27

passed #761552
run_ipynb

00:01:58