total refactoring:
- interface-based model with dynamically discovered Factory of DO impls
- default implementation
- PO-based instantiation of DO impls
- fluent builders over POs
- updates in place
- revise copy/versioning API
- more tests
merged
Revert "merged"

This reverts commit 61d8cd2ce50de82cf532c7b9c5f027c415f1bd8c.
Revert "Revert "merged""

This reverts commit 800d1311634678d85cd5a7798f68e0532366b006.
Revert "merged"

This reverts commit 61d8cd2ce50de82cf532c7b9c5f027c415f1bd8c.
adding cotrxi-web-webimportwizard
Merge branch 'master' of https://github.com/cotrix/cotrixrep