transformation description builders
inital work on a new alias implementation
get basic alias example working
Move rejectExpressions() into AttributeTransformationDescriptionBuilder and Reject- and DiscardAttributeCheckers
simplify operation redirection
keep track of the orignal model
cleanup
transform address by default?
fix cast
More tests
Fix write-attribute transformer
add method to kickoff the path transformation
Clean up AttributeTransformationDescriptionBuilder API
Move TransformationRule creation into TransformingDescription
Implement UndefineAtribute transformation
use discard policy
Get rid of ModelTransformer
cleanup description a bit
add operation transformation overrides
Allow for complex RejectAttributeCheckers