merge develop -D org: PR 799 (Linux walkthrough (rebased onto develop))
merge develop -D org: PR 824 (OME DCO)
merge develop -D org: PR 834 (Session engine)
merge develop -D org: PR 854 (Managed repository template path expansions (rebased from dev_5_0))
merge develop -D org

Repository: openmicroscopy/ome-documentation
Already up-to-date.

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 824 sbesson 'OME DCO'
  # PR 834 aleksandra-tarkowska 'Session engine'
  # PR 854 mtbc 'Managed repository template path expansions (rebased from dev_5_0)'
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