Merge branch 'working_on_demos' into 'NIFTy_4'

Working on demos

See merge request ift/NIFTy!260
5 jobs for NIFTy_4 in 12 minutes and 39 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #564079
build_docker_from_scratch

00:06:42

 
  Test
passed #564080
test_python2_with_coverage

00:03:56

81.0%
passed #564081
test_python3

00:04:09

 
  Release
passed #564082
pages

00:00:50

 
  Deploy
passed pages:deploy

00:00:01