merge master -Dnone -Ihotfix -Ssuccess-only

Repository: ome/omero-py
Excluded PRs:
  - PR 216 manics 'Attempt to fix Travis builds' (user: manics)
  - PR 215 mtbc 'Add Python 3.5 handling for download writing file chunks.' (user: mtbc)
  - PR 207 manics 'BlitzGateway.connect raise on error' (user: manics)
  - PR 205 will-moore 'api order by ID' (user: will-moore)
  - PR 199 joshmoore 'user: allow setting default group' (user: joshmoore)
  - PR 196 will-moore 'api experimenters groups' (user: will-moore)
  - PR 195 will-moore 'Chown gateway' (user: will-moore)
  - PR 194 manics 'Support Python 3 asyncio concurrency' (user: manics)
  - PR 189 manics 'BlitzGateway defaults to secure=True' (user: manics)
  - PR 188 manics ' admin diagnostics: show BF (and optionally other) jar versions' (user: manics)
  - PR 184 manics 'Auto-format code with black' (user: manics)
  - PR 162 manics 'import --fetch-jars' (user: manics)
  - PR 160 manics 'prefs.py: config throw if OMERODIR not set' (user: manics)
  - PR 129 dominikl 'Add option to create new ThumbnailStore connection' (user: dominikl)
  - PR 115 manics 'Remove omero_ext.argparse' (user: manics)
  - PR 114 manics 'First attempt at adding optional packages' (user: manics)
Updating 494a744..cd9e994
Previously merged:
  - PR 213 mtbc 'Convert HTTP request JSON content from bytes to string.'
  - PR 211 mtbc 'Adjust help text for CLI import.'
  - PR 208 manics 'Ignore owner when checking omero.data.dir is accessible'
  - PR 186 joshmoore 'omero.scripts: prepare scripts for use of CLI'
  - PR 203 manics 'Windows: require pywin32'
  - PR 193 joshmoore 'cli: don't unset ICE_CONFIG (fix ome#191)'
  - PR 198 manics 'Remove pytest-sugar (incompatible pytest change)'

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