[search] Text, pie and bar facets can also be ranges
[search] Skeleton for magic layout
[search] Toggle facet order and type
[search] Smarter number of slots for text range facets
[search] Make pie widget work with range facet
[search] Ask only for the used fields in the gridlayout
[search] Added selection management on multiBarChart
[search] Added new field selection modal
[search] Multi fq support for text facet