[CMake] CMake hidden files

[John Drescher]

> I tried to install PV on Windows XP with MinGV, without any success.
> So I decided to go with Visual Studio 10 Express, installed it, selected it
> as a generator, etc
> But I get an error message, something like "it seems that you try to build
> on VS with Qt built on MinGW".
> Ok, right, so I installed a pre-compiled Qt for Windows distribution,

That should cause you problems. Qt must be compiled by the same
compiler you use. And I believe the precompiled Qt was for vs2008. I
have found, windows or linux, usually not a good idea to mix compiler
versions.

John