Browse filter results on page

[litvinovg]

VIVO PR

What does this pull request do?

Adds an option to select search filter to display filtered results on custom page.

What's new?

Refactored PagedSearchController.
Added search filter option to ManagePageGenerator
Refactored ProcessN3GetterDataMap
Created new data getter class display:SearchFilterValuesDataGetter , java implementation in SearchFilterValuesDataGetter.java
Created boolean data property search:reverseFacetOrder to reverse sort order of facets.
Created filters to filter result in alphabetical indexes
:filter_label_regex - default regex filter that uses i18n field :field_label_display with name locale + _label_display
:filter_raw_label_regex - fallback regex filter that uses nameRaw search field for VIVO instances without i18n support

How should this be tested?

A description of what steps someone could take to:

• Create a new page in PageManagement menu. use type filter as an example
• Browse page, try selecting facets, alphabetical index, pagination
• Test the same in non i18n VIVO

Additional Notes:

This change require documentation to be updated.

Interested parties

@hauschke @VIVO-project/vivo-committers

Reviewers' expertise

Candidates for reviewing this PR should have some of the following expertises:

1. Java
2. JavaScript
3. FreeMarker
4. SPARQL
5. Ontologies
6. Natural language knowledge
   1. English
   2. German
   3. Spanish
   4. French
   5. Portuguese
   6. Russian
   7. Serbian

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