move navigation routing from cmsService to EntityService (its more related to entities than to cms stuff)
allow dash names for entities in entityService
factor test controllers into real classes (not classes in class PSR-1)
adjust right content to have a addNavigationLink with the correct url
fix getType from entry
add the entityService endpoints to the navigationController aka overwrite defaultBehaviour from abstractentitycontroller
adjust some tests for the calles
add to navigationcontroller that createNewNode creates a new page
add creation for the page: fill with content streams
add tests to fill contentstreams