Merge pull request #2034 from aleksandra-tarkowska/rebased/dev_5_0/11941_unicode_searching

fixing UnicodeEncodeError when searching, close #11941 (rebased onto dev_5_0)
Merge pull request #2047 from will-moore/delete_examples_11930

Delete examples 11930
Merge pull request #2043 from ximenesuk/import-fixes

Various import and logging fixes
Merge pull request #2041 from knabar/feature-smart-omero-web-config-dev_5_0

dev_5_0: Add omero config append/remove subcommands with default value handling for omero.web.* variables
add media type for import logs

omitting x- prefix for http://tools.ietf.org/html/bcp178
adjust how the import log is created and linked to the fileset
add upgrade script to fix old import logs

to repeat in OMERO5.0__1 for those already on OMERO5.0__0
add import log find method to the metadata service
adjust import library to use new log finding method

Conflicts:
	components/blitz/src/ome/formats/importer/ImportLibrary.java
Load log files using new method and not file annotation.
Fix copyright and space.
permit empty lists of images to be queried for import logs
add integration testing for new metadata service method
merge dev_5_0 -D org -I include -E exclude: PR 2054 (Admin user.)
merge dev_5_0 -D org -I include -E exclude: PR 2055 (fix #11877: move import logs to upload jobs instead of annotations)
merge dev_5_0 -D org -I include -E exclude: PR 2058 (Update dev_5_0 submodules)
merge dev_5_0 -D org -I include -E exclude: PR 2059 (Close parsed files after each indexing iteration  (fixes #11949))
merge dev_5_0 -D org -I include -E exclude

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

Merged PRs:
  # PR 2054 jburel 'Admin user.'
  # PR 2055 mtbc 'fix #11877: move import logs to upload jobs instead of annotations'
  # PR 2058 snoopycrimecop 'Update dev_5_0 submodules'
  # PR 2059 jballanc 'Close parsed files after each indexing iteration  (fixes #11949)'

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

Merged PRs:
  # PR 856 melissalinkert 'Initial version of bfCheckJavaMemory'
  # PR 882 melissalinkert 'Create bioformats_package.jar'

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

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

Merged PRs:
  # PR 640 ximenesuk 'Update docs for import and logging fixes'
  # PR 646 sbesson 'Improve server-template description in advanced configuration'

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