[CMake] Mastering CMake book

[Ken Martin]

> I was wondering what the expected timeframe is for the next edition of the
> CMake book. I'm thinking of buying it, but if a new edition is right
> around the corner, I'll wait a bit.

I'm guessing that the next edition of Mastering CMake will be available no
earlier than in three months. That way 2.2 will be out and have had some
time to settle down. 

Thanks
Ken