Revert documentation to nifty4

13 jobs for NIFTy_5 in 3 minutes and 44 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #603515
build_docker_from_cache

00:00:14

 
  Test
passed #603516
test_python2_with_coverage

00:01:10

76.0%
passed #603517
test_python3

00:01:02

 
  Demo Runs
passed #603518
run_critical_filtering

00:00:55

passed #603527
run_ipynb

00:01:14

passed #603519
run_nonlinear_critical_filter

00:00:59

passed #603520
run_probing

00:00:21

passed #603521
run_sampling

00:00:39

passed #603522
run_tomography

00:00:55

passed #603523
run_wiener_filter_data_space_noiseless

00:00:28

passed #603524
run_wiener_filter_easy.py

00:00:26

passed #603525
run_wiener_filter_via_curvature.py

00:00:53

passed #603526
run_wiener_filter_via_hamiltonian.py

00:01:49