Merge pull request #833 from sbesson/rebased/develop/build_system

Restore build system on the main developers documentation index (rebased onto develop)
Merge pull request #832 from sbesson/rebased/develop/dev_tidying_2

Fix minor points on the Cpp page (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 827 (Nginx doc)
merge develop -D org

Repository: openmicroscopy/ome-documentation
Updating 68ef5ce..3656f6a
Merged PRs (fast-forward):
  # PR 832 sbesson 'Fix minor points on the Cpp page (rebased onto develop)'
  # PR 833 sbesson 'Restore build system on the main developers documentation index (rebased onto develop)'

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 824 sbesson 'OME DCO'
  # PR 827 aleksandra-tarkowska 'Nginx doc'

Generated by OMERO-5.1-merge-push#294 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/294/)