[CMake] ALL_BUILD and ZERO_CHECK

[David.Karr at L-3COM.COM]

From: "Robert Dailey" <rcdailey at gmail.com>
> Ah, okay. If it manages synchronization between the CMakeLists.txt
files and
> the vcproj files I can understand the need for them. I guess I should
have
> first asked what they are for instead of immediately trying to get rid
of
> them :)

Oh darn, my long-winded (and now evidently unnecessary) reply to an
earlier posting crossed this one in the mail.  Sorry about that; I hope
it doesn't waste anyone's time but mine.

David Karr