Remove openGL from the build system
Update develop submodules

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

Repository: openmicroscopy/bioformats
Updating 613124f..04a09b0
Previously merged:
  # PR 1154 melissalinkert 'Leica: prevent exception when linking EmissionFilter'

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

Repository: openmicroscopy/ome-documentation
Updating 89e8fa5..99514d2
Previously merged:
  # PR 1006 hflynn 'Adding external PR procedure to Contrib docs'
  # PR 1005 hflynn 'Adding UTF-8 password limitation for Windows (rebased onto develop)'

Generated by OMERO-5.1-latest-submods#217 (http://ci.openmicroscopy.org/job/OMERO-5.1-latest-submods/217/)
Merge pull request #3100 from joshmoore/jvmcfg-heap-fix

Fix heap_dump=tmp for jvmcfg
Prevent wildcard-only search
smart scalebar adjustment
Show message on absurd date ranges
Do not blacklist individual properties
Merge pull request #3091 from ximenesuk/flake8-omero-gateway

Flake8 the omero gateway
Flake8 omero.columns
Flake8 path.py
Final simplification of setup.cfg
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 2985 (Download preserves directories of original files)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3037 (Group sudo)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3057 (Rating web)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3058 (Homebrew nginx (rebased onto develop))
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3069 (Scalebar)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3090 (Use FORCE_SCRIPT_NAME and STATIC_URL in `web iis`)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3092 (Update develop submodules)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3098 (Metadata reimport)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3101 (Add support for experimental properties markup in omero.properties)