compile test entities in travis
add image permanently (seufz)
add Entities (compiled test entities) for new fixtures
fix little bug in entity builder
add commonprojectcompiler with new subclasses for entities of roles
add entity roles
change pagecontroller for better readability
add a static function to contentstream
add some docs
add a nested set fixture with a nestedsetsfixture (chain) for inserting an example from webforge testdata right into the database
add NavigationNodeRepository Test with the new fixture and entities