Propose redesign of OMERO and Bio-Formats 5.0 CI jobs

This commit proposes to redesign the current architecture of the 5.0.x CI jobs
used for OMERO and Bio-Formats to match the 5.1.x CI jobs. Main changes are
the unification of the names across the 5.x branches, the systematic usage of
matrix jobs for OMERO and the separation between merging/pushing, artifact
building and server deployment into distinct jobs.
Remove 4.4 jobs from the tables and add breaking jobs for OMERO
Merge remote-tracking branch 'origin/develop' into 5.0_job_renaming

Conflicts:
	contributing/ci-omero.txt
Fix tenses for the OMERO jobs
Fix tenses for the Bio-Formats jobs
Fix CI graphs using cluster
Fix spacing issue
Fix push job name
Adding contributing doc link & Zeiss link update
adding INDEX_TEMPLATE and TEMPLATE_DIRS to the doc
spelling mistake
spelling mistake
Update install-web.txt

Minor wording changes
spelling mistake
ldap over ssl instruction improvement
small grammar and spelling fixes
Fix travix.yml to recognize SPHINXOPTS envvar
Merge pull request #809 from sbesson/rebased/develop/travis_fix

Travis fix (rebased onto develop)
Updated Zeiss link as requested to Jason
Adding example server set up page