Merge pull request #1733 from aleksandra-tarkowska/trac-11465-user-group-change-restrictions

Preventing system users being removed from system groups
Update develop submodules

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

Repository: openmicroscopy/bioformats
Updating e9c850d..9bc1862
Merged PRs (fast-forward):
  # PR 812 mtbc 'publish lwf-stubs JAR for lurawave'
  # PR 809 hflynn 'Tidying ITK user doc page'

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

Repository: openmicroscopy/ome-documentation
Updating d07020b..0ddf4f9
Merged PRs (fast-forward):
  # PR 565 sbesson 'Add paragraph about GitHub 2FA and scc commands'
  # PR 561 hflynn 'Adding ILdap as requested by Ola (rebased onto develop)'
  # PR 564 jballanc 'Remove duplicate entries for "blitz" component. (rebased onto develop)'
  # PR 558 hflynn 'Tidying script docs & using git links'

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