Update dev_4_4 submodules

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

Repository: openmicroscopy/bioformats
Updating c68c4a2..6104117
Merged PRs (fast-forward):
  # PR 838 sbesson 'Modify the root of the main OME CI server to use ci.openmicroscopy.org'
  # PR 811 melissalinkert 'Set version information in Maven'
  # PR 814 melissalinkert 'Zeiss CZI improvements (rebased onto dev_4_4)'
  # PR 839 melissalinkert 'Fix the copyright statement on generated Javadocs'
  # PR 815 melissalinkert 'Minor import fixes (rebased onto dev_4_4)'

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

Repository: openmicroscopy/ome-documentation
Updating 38f5a05..0f78853
Merged PRs (fast-forward):
  # PR 610 hflynn 'Deleting contributing docs on 4.4'
  # PR 609 sbesson 'Modify the root of the main OME CI server to use ci.openmicroscopy.org'
  # PR 607 hflynn 'Removing link to out-of-date Ice binaries at Glencoe'

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