Use brew test command for displaying OMERO/Bio-Formats versions
Add OMERO.web config/startup using nginx to the Homebrew script
Fix directory type and stop nginx
Fix OMERO.web stop, add config and stop server
Add simple test for Web connection
Test Web connection using wget
Install nginx as part of the OMERO formula
Allow to set HTTP port by environment  variable

Although the script seems to run fine locally, it appears to conflict in a
Jenkins environment which is also using port 8080. This allows to control the
HTTP port for OMERO.web testing.
Update dev_5_0 submodules

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

Repository: openmicroscopy/bioformats
Updating 988fcc6..a7c8d26
Previously merged:
  # PR 1282 melissalinkert 'Update version numbers to 5.0.4'

Repository: ome/scripts
Updating ad06908..8c1d118
Previously merged:
  # PR 92 sbesson 'Update script help links to point at help.openmicroscopy.org'

Repository: openmicroscopy/ome-documentation
Updating 8dff34a..decb655
Previously merged:
  # PR 967 hflynn 'adding ip6 pg_hba.conf connection line (rebased onto dev_5_0)'
  # PR 968 hflynn 'adding ip6 connection line to pg_hba.conf (rebased onto dev_5_0)'
  # PR 966 snoopycrimecop 'Update auto-generated properties'

Generated by OMERO-5.0-latest-submods#490 (http://ci.openmicroscopy.org/job/OMERO-5.0-latest-submods/490/)
Merge pull request #2998 from snoopycrimecop/dev_5_0/latest/submodules

Update dev_5_0 submodules
merge dev_5_0 -Dorg -Ssuccess-only: PR 2816 (Homebrew nginx)
merge dev_5_0 -Dorg -Ssuccess-only

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

Merged PRs:
  # PR 2816 sbesson 'Homebrew nginx'

Repository: openmicroscopy/bioformats
Already up-to-date.

Repository: ome/scripts
Already up-to-date.

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

Generated by OME-5.0-merge-push#210 (http://ci.openmicroscopy.org/job/OME-5.0-merge-push/210/)