Developer doc tidying part 1
More developer tidying
Fixing server version
JMs comments & further tidying
Merge pull request #829 from sbesson/rebased/develop/tidying

OMERO Developer doc tidying (rebased onto develop)
merge develop -D org: PR 799 (Linux walkthrough (rebased onto develop))
merge develop -D org: PR 824 (OME DCO)
merge develop -D org: PR 828 (Search page tidying up (rebased onto develop))
merge develop -D org

Repository: openmicroscopy/ome-documentation
Updating 06efc89..d9cdfee
Merged PRs (fast-forward):
  # PR 829 sbesson 'OMERO Developer doc tidying (rebased onto develop)'

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 824 sbesson 'OME DCO'
  # PR 828 sbesson 'Search page tidying up (rebased onto develop)'
Conflicting PRs (not included):
  # PR 827 aleksandra-tarkowska 'Nginx doc'

Generated by OMERO-5.1-merge-push#287 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/287/)