More explicit determination of new list vs. edit list.
Resolves VUFIND-842.
Refactored "retain filter" behavior to view helper.
Refactored search handler determination to view helper.
Created mechanism for combined handler drop-down.
Resolves VUFIND-843.
Made combined search handler drop-down smarter.
- Better default selection on home page
- Include options for non-configured handlers when needed in context
Added combined handler support for classes without configured handlers.
Made autocomplete handler aware of combined handler drop-down.