This is not needed for recent cmake versions, but since we expect also older cmake version be used, sort the list nevertheless. See https://reproducible-builds.org/ for why this matters. Amends b8e3615
b8e3615
It does not seam to make a difference. Added because other icons are also included.
1.) Cleanup the use of path-variables 2.) New directory for cmake-scripts which can be called at build-time
