[Metafacture] Metafacture 5.2.0 feature release

[Christoph, Pascal]

Hi everyone,

We just released a new feature release of Metafacture 5.

Probably most notably is the improvement of passing data through metamorph (#333, #338), the handling of Blocked GNU Zip Format files (#358), the reintroduced OAI-PMH opener (#320) and the handling of HTML as source (#312, #361).

Please refer to the release notes [1] for details. Any problems or questions are best discussed on this mailing list or in an issue on Github [2].

As usual the release artifacts are available on the Central Repository [3]. The Metafacture Runner Distribution is additionally available from the GitHub Release page [1].

*Bug fixes*:
- Fix flux.bat for running on Windows #315
- OAI-Pmh fails with SAXParseException #334
- Ignore null values in Regexp function. #337
- Metamorph tests verify that no unexpected interactions occurred (first batch). #341
- Escape feedback char in _else data. #344
- Don't handle empty '[]' as character class #348
- _elseNested: Entity with more than one subfield results in multiple entities #338

*New Features*:
- Add HTML input support #312
- Allow to omit id in JsonToElasticsearchBulk #323
- Add original OAI-PMH opener #320
- Support flux options via setters in JsonToElasticsearchBulk #326
- Add constructor to allow Entity creation w/o Metamorph #327
- Make MARCXML namespace for record elements configurable. #331
- Pass data through metamorph else #333
- ADD contains and not-contains to metamorph; CHG extent filter to work… #317
- Allow comments in JSON files. #345
- Add option to set record IDs in ObjectToLiteral #354
- Optionally decompress concatenated streams. #358
- Add filter-null-values Flux command for NullFilter #362
- Support HTML attribute values as subfields #361

*Other*:
- Tweak help output for Markdown formatting #316
- Migrate from travis to github actions to test build #352

Cheers,
the hbz Open Infrastructure team

[1] https://github.com/metafacture/metafacture-core/releases/tag/metafacture-core-5.2.0
[2] https://github.com/metafacture/metafacture-core/issues
[3] https://search.maven.org/search?q=g:org.metafacture