20090908 - version 3.6

Changes:
- The nic-hdls can not be reused after deletion


Merged:
- feature-nichdl-preservation


Installation notes:
- Need to regenerate nic-hdl table using external one-shot script


Affected stakeholders:
- Anyone who tries to re-create a deleted nic-hdl, or create one currently
in use, in person and role objects
- NCC Services WG
- DB WG
