Merge branch 'dask-pipelines' into 'master'

Porting to dask pipelines

See merge request !110
3 jobs for master in 10 minutes and 56 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #219625
docker
build_linux_37

00:04:55

65.0%
passed #219624
macosx
build_macosx_37

00:09:48

65.0%
 
  Deploy
passed #219626
docker
deploy_beta

00:01:07