[dev] Preference namespaces

[Chuck Hagenbuch]

Quoting Jon Parise <jon@csh.rit.edu>:

> Okay, the new code refers to 'scope' and overrides global values with
> local values.

Nice! Everything seems to be working here, though I haven't tested the scope 
stuff thorougly.

I guess the next thing we should decide, again so we don't break things too 
late, is what preferences should be shared?

I'm thinking fullname at least, probably email address, maybe signature?

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"We have no fuel on board, plus or minus 8 kilograms." -A NASA scientist