Update dev_5_0 submodules

Repository: openmicroscopy/openmicroscopy
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Repository: openmicroscopy/bioformats
Updating 1a8bced..2098976
Merged PRs (fast-forward):
  # PR 893 melissalinkert 'Test compile targets with Travis'
  # PR 892 melissalinkert 'Update JPEGTurboServiceImpl.java (rebased onto dev_5_0)'
  # PR 889 joshmoore 'Logback conversion'
  # PR 887 imunro 'Implement pre-loading for .sdt files in the interest of performance.'

Repository: ome/scripts
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Repository: openmicroscopy/ome-documentation
Updating cb9e8a9..dadbaae
Merged PRs (fast-forward):
  # PR 646 sbesson 'Improve server-template description in advanced configuration'

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