[CMake] Update for "How to create a ProjectConfig.cmake file"?

[Alexander Neundorf]

On Thursday 13 June 2013, Johannes Zarl wrote:
> Hi,
> 
> Is there any more up-to-date tutorial for writing a ProjectConfig.cmake
> file than the following two?
> 
> http://www.cmake.org/Wiki/CMake/Tutorials/How_to_create_a_ProjectConfig.cma
> ke_file
> http://quickgit.kde.org/?p=kdeexamples.git&a=tree&hb=HEAD&f=buildsystem/Ho
> wToInstallALibrary
> 
> Why I'm asking: Since 2.8.8 there is the standard module
> CMakePackageConfigHelpers. Should the tutorials be updated to use the
> new(ish) module?

Yes :-)

Alex