Fix for retrieving the Version
Concepts as Ids in RavenDB
Merge branch 'RemovingHolderClasses' of https://github.com/dolittle/Bifrost.git into RemovingHolderClasses

Conflicts:
	Source/Bifrost.JavaScript.Specs/read/for_Query/when_getting_all.js
	Source/Bifrost.JavaScript.Specs/read/for_Query/when_property_changes_and_all_query_is_used.js
	Source/Bifrost.JavaScript.Specs/read/for_queryService/when_executing.js
	Source/Bifrost.JavaScript.Specs/utils/for_Type/when_creating_instance_with_on_created_function_specified_only_for_super.js
	Source/Bifrost.JavaScript/read/queryService.js
	Source/Bifrost.Oracle/Events/EventStore.cs
	Source/Bifrost.Web/Proxies/ReadModelProxies.cs
	Source/Bifrost/Read/IReadModelRepositoryFor.cs
Merge branch 'RemovingHolderClasses' into temp
Merge branch 'RemovingHolderClasses' of https://github.com/dolittle/Bifrost into RemovingHolderClasses
Fix for ConceptTypeConverter
Change SystemClock.cs to allow multiple expectations
Add CurrentPrincipal to allow testing of Principal
Merge remote-tracking branch 'origin/RemovingHolderClasses' into RemovingHolderClasses

Conflicts:
	Source/Bifrost.Web/Proxies/ReadModelProxies.cs