Remove URL of gretzky/howe servers
merge dev_4_4 --exclude conflict needs-fixes broken: PR 179 (CLI documentation)
merge dev_4_4 --exclude conflict needs-fixes broken: PR 193 (Tables documentation partial rewrite 9957)
merge dev_4_4 --exclude conflict needs-fixes broken: PR 196 (Continuous integration)
merge dev_4_4 --exclude conflict needs-fixes broken

Repository: openmicroscopy/ome-documentation
Updating 858e9f2..3ad387a
Merged PRs:
  # PR 179 sbesson 'CLI documentation'
  # PR 193 manics 'Tables documentation partial rewrite 9957'
  # PR 196 sbesson 'Continuous integration'

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