Base QueryBuilder implementation.
Adds general doc and the actual query.
Fix related title creation
Initial front-end

* The filter that would be used is displayed in debug.
Fix query builder backend model title generation.

* Explicitly defined titles (=views) were missing from title list.
Change title data to be ordered instead of dict.
Adds view list / selection to the frontend.
Adds result fetching from backend.
Get query class by dynamic means.

* Moved T9 query to correct place.
Render results to table.
Refactor backend data to separate class.
Fix boolean query.
Simplify filter negation and fix empty filter result
Refactor filter creation a bit
Adds support for enum filter parts
Refactor filter type map to a separate manager
Copy / separate filters to own file (1/2)
Copy / separate filters to own file (2/2)
Fix two null checks.
Use less raw text inserts to dom.