[dev] a New 'Grey' theme

[Chuck Hagenbuch]

Quoting thomas cherryhomes <thomas@openminds.tv>:

> I have attached a replacement for the 'grey' theme in HORDE... Being as
> I am an old NeXT junkie from way back, I chose the sleek black/slate
> monochromatic scheme interrupted by natural colours.

Committed, thanks.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"After a few minutes the most aromatic and nice smelling Italian coffee 
 will come out of the exhaustpipe." - Our stove-top espresso pot