Removing imports reported as unused
Remove more unused imports
Temporarily revert changes to webadmin files to avoid conflict with #2127
Re-add imports still required in dev_5_0
Use system proxy environment variables
Add verbose option (prints out full jarsigner command)
Check jarsigner is executable
Log proxy args and directory to be zipped. Warn about password logging.
release-webstart build target replaced with signed/unsigned targets

Removed release-webstart build target
Add release-webstart-unsigned target (doesn't sign jars)
Add release-webstart-signed target (self signs jars using omero_insight_sign.py).
release-all runs release-webstart-unsigned so the final artifacts will be unsigned.

webstart-sign target has been changed to use the omero_insight_sign.py script instead of the old jarsigner ant calls
Remove sign option from jar_update_if

This means update-version won't sign any updated webstart jars.
(Actually it didn't anyway since it was removed in commit ff99355573f0145cf9eca3bed6c345b5232eded7, this just cleans up build.xml)
Remove the remaining unused code-signing ant tasks
Update dev_5_0 submodules

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

Repository: openmicroscopy/bioformats
Updating b5a33fe..899d9ab
Merged PRs (fast-forward):
  # PR 1025 melissalinkert 'Update POM version numbers to 5.0.2-SNAPSHOT'

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

Repository: openmicroscopy/ome-documentation
Updating 8005a1f..b2e513a
Merged PRs (fast-forward):
  # PR 721 aleksandra-tarkowska 'Setting cache'
  # PR 716 aleksandra-tarkowska 'updating omeroweb console output'
  # PR 722 hflynn 'Remove webstart limitation'

Generated by OMERO-5.0-latest-submods#364 (http://ci.openmicroscopy.org/job/OMERO-5.0-latest-submods/364/)
Allow jarsigner without args to return 0 or 1

Return code depends on Java version
Merge pull request #2266 from knabar/flake8-cleanup-unused-vars-dev50

omeroweb flake8 cleanup: Remove unused variables (dev_5_0)
Remove commented out import
Merge pull request #2158 from mtbc/trac-11091-hierarchy-navigation

assist #11091: refactor server DB queries for hierarchy navigation (rebased)
Merge pull request #2264 from knabar/flake8-cleanup-unused-imports-dev50

omeroweb flake8 cleanup: unused imports (dev_5_0)
Update robotframwork readme file.
Change check_jarsigner error message (since exit 0|1 is allowed)

Just in case any pedants are reading
Handle zero or 1 archived file for multiple images