Add section on markers.
Change top-level marker example and add extra ref.
Fix typo in --repeat option.
Merge pull request #1040 from snoopycrimecop/develop/latest/autogen

Update auto-generated properties
Mention setting PYTHONPATH for pytest.
Tweak mark-up a little.
Merge pull request #1039 from ximenesuk/more-markers

Add more detail on pytest markers
Update auto-generated properties

Repository: openmicroscopy/ome-documentation
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