merge develop -D org: PR 799 (Linux walkthrough (rebased onto develop))
merge develop -D org: PR 824 (OME DCO)
merge develop -D org: PR 827 (Nginx doc)
merge develop -D org: PR 834 (Session engine)
merge develop -D org

Repository: openmicroscopy/ome-documentation
Updating 3656f6a..81205bb
Merged PRs (fast-forward):
  # PR 837 joshmoore 'Add mention of 'Protocol' failure for IPv6 (rebased onto develop)'

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 824 sbesson 'OME DCO'
  # PR 827 aleksandra-tarkowska 'Nginx doc'
  # PR 834 aleksandra-tarkowska 'Session engine'
Generated by OMERO-5.1-merge-push#310 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/310/)