* Introduce IsDocumentPublishedInAnyCulture
Sometimes we don't care about culture
* Check ancestor path when resolving cache items
* Fix tests
* Rebuild NavigationService
* Only set node if it has a published ancestor path
* Remove branch when unpublished
* Add tests
* Add seed test
* Consider published ancestor path when seeding documents
* Introduce MediaBreadthFirstKeyProviderTests
This is needed since the logic of document and media is no longer the same
* Remove unused services
* Move assert page to helper
* Add variant tests
* Add tests
* Filter keys in ContentTypeSeedKeyProvider
* Fix tests
* Add failing test showing refreshing issue
* Don't blow up if we can't resolve the node from navigation cache
Turns out that this can actually happen :D Should be fine to just return false
* Refactor cache refresher check
* Make NavigationQueryService service protected
* Add comment on how to refactor breadth first key provider
* Refactor if statement
