Completes: U4-2633 Bundle all cache refresher transmissions into a single call per request for much better performance
Fixes small bug when distributed cache is called with invalid params.
Merge commit 'beb1979b4655a529b703ceec094a50f6a3dd8602' into 7.1.5

Conflicts:
	src/Umbraco.Web.UI/config/umbracoSettings.config