* ui lua integration: moved ui_vscrollbarnodeset to abstract node
* ui lua integration: fixes related to setting of properties after window creationg

* ufo script creates a node, then fills it properties, then inserts it
* and then calls onloaded
* lua creates a node, inserts it, then onloaded is called, and then
* properties are set
* this caused some issues with sizing and close/drag button