[gdm/f22] (6 commits) ...Update URL

[Ray Strode]

Summary of changes:

  badc42b... Update to 3.15.90 (*)
  f526b0e... Fix filelists (*)
  fb1c2db... Update to 3.15.90.1 (*)
  fd5f851... Use license macro for COPYING (*)
  ad08b77... Use pkgconfig for BuildRequires (*)
  fbd3df1... Update URL (*)

(*) This commit already existed in another branch; no separate mail sent