Improves SearchAdvancedQuery to persist the query builder in many cases.
Changes advanced query in search to use a input[type=text] instead of textarea so that its footprint is smaller.
Adds Taxon support to SearchAdvancedQuery so that the user can specify depth.
Adds the ability to remove a predicate line in SearchAdvancedQuery.
Fixes end date in between comparator in advanced search to have the correct comparison.