UserManagement: Document changes wrt Jackrabbit 2
Integrate PropertyBuilder with NodeBuilder
Enforce jcr constraints for 'protected' items
QueryEngine can't handle node type hierarchies
Importing protected properties and nodes
OAK-938 incomplete: session refresh must also be reflected on derived interfaces
missing support for relative path consisting of parent-element
OAK-API: Deal with names and relativePaths consisting/containing "." and ".."