Updating index page re: order & community link
Adding DCO to code contribution page
Add commit preparation hook to downloads of contributing section

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Fix header of commit preparation hook

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add section to CONTRIBUTING.md about signing and hooks

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Fix CONTRIBUTING.md

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Rename to hook to append .hook

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add section about the DCO to the source code page

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Make DOC text match Seb's
merge develop -D org: PR 799 (Linux walkthrough (rebased onto develop))
merge develop -D org: PR 823 (Add deploy downstream: 'merge-maven')
merge develop -D org: PR 824 (OME DCO)
merge develop -D org: PR 825 (Contributing section update)
merge develop -D org

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

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 823 joshmoore 'Add deploy downstream: 'merge-maven''
  # PR 824 sbesson 'OME DCO'
  # PR 825 hflynn 'Contributing section update'

Generated by OMERO-5.1-merge-push#275 (http://ci.openmicroscopy.org/job/OMERO-5.1-merge-push/275/)