[tdwg-content] Audubon Core NameSpace

We dropped discussion of this, and I know Steve Baskauf and perhaps others want to start using it with minimal risk of having to redo data.

I found little consensus in the discussion, and no compelling reason why the prefix had to end in "c". Therefore, I'd like to put back(?) on the table and resolve it quickly. Gail or others will guide us as to whether the Executive Committee cares about what we settle on:

http://adbn.tdwg.org recommended prefix adbn

--Bob