Datatables v2.1

[thomas-topway-it]

Updated version of Datatables (v2) with the following improvements:

• better accessibility (static table and spinners)
• fixes search of multiple values
• fixes navigation problem
• implements searchBuilder
• adds mark.js (with native parameters), integrates the following https://github.com/SemanticMediaWiki/SemanticResultFormats/pull/776
• fixes keyword datatype (with normalized values within the pane)
• fixes template in printout not working with value containing pipe character
• code better organized

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 10.91270% with 449 lines in your changes are missing coverage. Please review.

Project coverage is 42.05%. Comparing base (c0dd4bb) to head (561e530). Report is 3 commits behind head on master.

Files	Patch %	Lines
formats/datatables/SearchPanes.php	0.00%	382 Missing :warning:
formats/datatables/Api.php	0.00%	58 Missing :warning:
formats/datatables/DataTables.php	85.93%	9 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #801 +/- ## ============================================ + Coverage 40.12% 42.05% +1.92% - Complexity 2332 2364 +32 ============================================ Files 78 79 +1 Lines 8247 7719 -528 ============================================ - Hits 3309 3246 -63 + Misses 4938 4473 -465 ```

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[thomas-topway-it]

@JeroenDeDauw and @gesinn-it-gea this now can be merged, can you check it ?

see here a demo with the SearchBuilder https://fina.knowledge.wiki/Catalogues_of_Numismatic_Collections