add a control which abstracts a Psc.UI.LayoutManager.Control
add a template widget Control which injects a specification
fix codeWriter to write empty objects (wow its that complicated)
navigation controller can return a merged flat ui (TODO: make it a really merged, not a "main" one)
addjust LayoutManager for better abstraction, add Control Manipulation, add the dirty navigation Injection Hack
change contentStreamcontroller to extend a containerController (instead of simple)
add the injection hack to layoutManager to refresh navigation for components like the link-widget