Merge branch 'rework_doc_setup' into 'master'

Rework doc setup

See merge request workflow/xas!4
3 jobs for master in 13 minutes and 8 seconds (queued for 1 minute and 3 seconds)
Status Job ID Name Coverage
  Test
passed #39780
test:python3.5-stretch-pyqt5

00:04:21

passed #39781
test:python3.5-stretch-pyside2

00:04:18

passed #39782
test:test-xas-tutorials

00:04:29