NEW: NewArrayViewHelper

To create arrays in templates (a bit) more easily.
It can be a real pain if nested arrays are required because you quickly run out of nestable quotation marks as well as readability.
evaluate formFacets variable in Form Partial

This way the Form partial can add active facets to the query if needs be.
Templates can set the variable before calling the Form partial.
Edfu: set formFacets variable to reflect the current type filter
Edfu: improve templates and configuration