fix for wrong highlighting in admin tree / page title / breadcrumbs...
Merge pull request #60 from wimvds/feature/add-entity-interface

entity interface added
Merge pull request #61 from wimvds/feature/refactor-admin-menu

fix for wrong highlighting in admin tree / page title / breadcrumbs...
Merge branch 'master' into develop

* master:
  fix for wrong highlighting in admin tree / page title / breadcrumbs...