started age range facet
debugging new agefrom filter.
created a age range filter function and adapted all logic to work with date ranges instead of from-age.
WKS-216 remove bootstrap markup
WKS-216 add additional age ranges
Merge branch 'develop' into feature/WKS-216-age-range-facet
Use the facet theming function for age facet
Age facet now uses general theming
Merge branch 'feature/WKS-216-age-range-facet' into develop