working version for all fields read-only not ownership aware
fields wellformed for normal, owner and super users
typo on tuples definition fixed
OwnedNestedStackedInline class defined to factorized ownership management of NestedStackedInline derived classes
Generalization of OwnedNestedInline to be able to use it with Stacked and Tabular NestedInlines
FuncDistrShape as leaf foreign-key test added, extract OwnedAdmin class from AAdmin model (it not inherit from NestedModelAdmin, you must inherit from it to access Nested functionalities), draft of change_view method to implement the clone feature