No fileAnnID in Metadata.py

BlitzGateway.loadOriginalMetadata always returns a None for
the first element of `om` for all data newly imported in OME5
since no extra file is created.
Merge pull request #2145 from snoopycrimecop/merge/develop/submodules

Regularly scheduled submodules bump
Merge pull request #1 from joshmoore/niko-fix

No fileAnnID in Metadata.py
Fix header in views.py
Fix whitespace in views.py
Merge pull request #2146 from imcf/develop

Bug fix and improvement for the Metadata.py example.
Add build_year to omero_version.py
Add build_year to context
Replace now 'Y' with build_year
Fix whitespace in webgateway/views.py
Add build_year to webgateway/views.py
merge develop -D org: PR 1960 (Remove cut link 11882)
merge develop -D org: PR 2005 (assist #11091: refactor server DB queries for hierarchy navigation)
merge develop -D org: PR 2113 (Remove user (rebased onto develop))
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 2131 (Sort images timestamp 11986 (rebased onto develop))
merge develop -D org: PR 2132 (Owner remove last user 11984 (rebased onto develop))
merge develop -D org: PR 2138 (Pass Image IDs to script when Wells selected. See #11835)
merge develop -D org: PR 2148 (Inplace import icon dev 5 0, 11970 (rebased onto develop))
merge develop -D org: PR 2149 (Static build year)