[CMake] Handling library dependencies and minimizing duplicated include_directories

[Daniel Lidström]

> If the projects UMC3D, GFL etc can be used independently, but 
> are all "under your control", then you shouldn't write 
> FindUMC3D.cmake, FindGFL.cmake etc files, but create 
> UMC3D-config.cmake, GFL-config.cmake etc files instead. Read 
> the documentation of the FIND_PACKAGE command, especially the 
> paragraphs about the "config mode". You'll also find many 
> discussions on this in the archives of this list.

Thanks a lot for your help Mike!

Regards,

Daniel Lidström
Stockholm, Sweden