OME-TIFF: return blank planes if the corresponding file does not exist

Fixes #12447.
Zeiss CZI: fix dimension calculations when expected planes are missing

See #12556.
Fix testng JAR for Bio-Formats tools components
Zeiss CZI: make sure pixel buffer is cleared

This prevents blank planes from containing garbage data.
OME-TIFF: do not return blank planes for single files with incorrect UUID filenames
Define top-level testng.version property
Deprecate testng.jar
Zeiss CZI: flag all files as being pixels files

This prevents pixel data from being accidentally included on the
companion file list.
Merge pull request #1386 from melissalinkert/12556

Zeiss CZI: fix dimension calculations when expected planes are missing
Merge pull request #1384 from melissalinkert/12447

OME-TIFF: return blank planes if the corresponding file does not exist
Merge pull request #1387 from sbesson/testng-bioformats-tools

Fix testng JAR for Bio-Formats tools components
Update auto-generated documentation

Repository: openmicroscopy/bioformats
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