Refactor the management of dynamic metadata: let the metadata API always return objects which allow retrieving the annotated element and the metadata, be it Java 5 annotations or dynamically set metadata.
See DynAnnotatedElement<T extends AnnotatedElement>.

Move the class loading methods from the ContentClassMetaData to the Util class.

Registered default value of field-based properties with the property controller (issue reported by Christophe.)

TODO : import missing tests from assembly factory examples

* Partial support for contribution zip archive
* Update RELEASE_NOTES and README

* Update README.txt

* Call Juliac.close() after a component has been generated