[KPhotoAlbum] Build instructions have been updated

[Johannes Zarl-Zierl]

Hi,

On Sonntag, 11. Dezember 2016 15:35:09 CET Harald Barth wrote:
> > The new instructions should work for KDE Frameworks (kphotoalbum 5.x). If
> > you notice any problems, please respond here...
> 
> Well, I still can't build because somehow cmake requires ECM (not
> mentioed on web page) and my current install (Mint 17.1 Rebecca) does
> not provide ECM and I have not found an instruction how to build ECM.

I just realized that I only updated the dependencies for the "1.1 first build" 
section. extra-cmake-modules is mentioned there, but not under "2.1 
Dependencies".

Thanks for the feedback!
  Johannes