Use a global lock for all HDF5 Tables calls

See https://trac.openmicroscopy.org.uk/ome/ticket/10464
Add lock to HdfStorage in unit tests
Revert "Exclude failing table tests from Travis"

If this doesn't fix the tests but https://trac.openmicroscopy.org.uk/ome/ticket/10464 is no longer a problem it suggests the tests need a more complex locking setup.
This reverts commit e8baad4c9ad354827342c8107f034001d2fceec9.
merge develop -D org: PR 2127 (Working view to email announcements to selected users, groups, email addresses and/or all users)
merge develop -D org: PR 2391 (Imagej omero (rebased onto develop))
merge develop -D org: PR 2411 (Update develop submodules)
merge develop -D org: PR 2435 (cpp: RTypesI: use static locals in place of duplicated globals)
merge develop -D org: PR 2550 (Avoid upscaling of bird's eye image)
merge develop -D org: PR 2560 (for-loop fix removes 'undefined' from reset dialog. See #12301)
merge develop -D org: PR 2612 (Add wsgi.py for OMERO.web (develop))
merge develop -D org: PR 2624 (nginx config template improvement)
merge develop -D org: PR 2684 (Rename don't recreate repos on move (Fix #12355) (rebased onto develop))
merge develop -D org: PR 2686 (clear sessions)
merge develop -D org: PR 2688 (Use a global HDF5 lock (trac: 10464))
merge develop -D org

Repository: openmicroscopy/openmicroscopy
Excluded PRs:
  # PR 2683 sbesson 'Also mark TestTables.testErrorInGet as xfail (rebased onto develop)' (label: exclude)
  # PR 2690 jburel 'Roi clean up develop' (status: failure)
  # PR 2182 joshmoore 'Read only flag' (label: exclude)
  # PR 2363 dominikl 'Java Gateway API' (label: breaking)
  # PR 2412 qidane 'Extra annotations' (exclude comment)
  # PR 2691 jburel 'Tag import (rebased onto develop)' (status: error)
  # PR 2403 aleksandra-tarkowska 'Send email' (label: breaking)
  # PR 2585 aleksandra-tarkowska 'making time_zone and first_day_of_week configurable' (exclude comment)
Already up-to-date.

Merged PRs:
  # PR 2127 dpwrussell 'Working view to email announcements to selected users, groups, email addresses and/or all users'
  # PR 2391 jburel 'Imagej omero (rebased onto develop)'
  # PR 2411 snoopycrimecop 'Update develop submodules'
  # PR 2435 rleigh-dundee 'cpp: RTypesI: use static locals in place of duplicated globals'
  # PR 2550 dominikl 'Avoid upscaling of bird's eye image'
  # PR 2560 will-moore 'for-loop fix removes 'undefined' from reset dialog. See #12301'
  # PR 2612 chris-allan 'Add wsgi.py for OMERO.web (develop)'
  # PR 2624 aleksandra-tarkowska 'nginx config template improvement'
  # PR 2684 joshmoore 'Rename don't recreate repos on move (Fix #12355) (rebased onto develop)'
  # PR 2686 aleksandra-tarkowska 'clear sessions'
  # PR 2688 manics 'Use a global HDF5 lock (trac: 10464)'

Repository: openmicroscopy/bioformats
Excluded PRs:
  # PR 1162 melissalinkert 'AFI: populate magnification and physical pixel size metadata' (status: failure)
  # PR 978 berl 'Add writing of .v3draw format for easy loading with Vaa3D.' (user: berl)
  # PR 816 melissalinkert 'Add support for multi-channel Volocity Clipping datasets' (label: exclude)
  # PR 1161 sommerc 'Initial CellH5 Reader class' (user: sommerc)
  # PR 857 melissalinkert 'Initial support for Zeiss .lms files' (label: exclude)
  # PR 1136 melissalinkert 'Add initial support for reading BinaryOnly OME-TIFF datasets (rebased onto develop)' (label: exclude)
  # PR 858 melissalinkert 'Initial support for Veeco AFM data' (label: exclude)
  # PR 1177 rleigh-dundee 'specification: Add metadata for HDF5 embedding' (exclude comment)
  # PR 1054 qidane 'Additional annotation points throughout the model' (exclude comment)
  # PR 1015 qidane 'Messy binary' (exclude comment)
  # PR 1141 LeeKamentsky 'Reader for Amaris FlowSight .cif format' (label: exclude)
Updating f27f679..f67397e
Merged PRs (fast-forward):
  # PR 1170 rleigh-dundee 'cmake: Enable CMP0042 @rpath usage for MacOSX'
  # PR 1175 melissalinkert 'Fix channel count when exporting RGB images in ImageJ'

Merged PRs:
  # PR 983 melissalinkert 'Woolz: make sure the service is initialized when calling openBytes (rebased onto develop)'
  # PR 1123 melissalinkert 'Add a reader that accepts a file containing a file pattern'
  # PR 1154 melissalinkert 'Leica: prevent exception when linking EmissionFilter'
  # PR 1164 melissalinkert 'Add modulo support for LI-FLIM data'
  # PR 1176 rleigh-dundee 'xsd-fu: Use package namespaces throughout and consolidate commands'
  # PR 1178 melissalinkert 'Nikon .nd2 fixes, part 2 (rebased onto develop)'

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

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

Merged PRs:
  # PR 799 manics 'Linux walkthrough (rebased onto develop)'
  # PR 824 sbesson 'OME DCO'
  # PR 827 aleksandra-tarkowska 'Nginx doc'
  # PR 834 aleksandra-tarkowska 'Session engine'

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