Fixes #19789 - fix Layout/SpaceAroundOperators cop

Fixes #21584 - set taxonomies for chart requests

Fixes #13424 - c3 patternfly react implementation

fixes #15919 - statistics page is loaded via AJAX

Also:
- refactor how statistics data is being called, now it should be trivial
to add additional charts or consume other data from it. It should make
it much easier to reuse statistics charts in other places...