[xfdesktop/f15] (8 commits) ...Update to 4.8.3

[Christoph Wickert]

Summary of changes:

  3000ad4... - Fix dependency for default background image (*)
  442fd53... Fix typo that causes a failure to update the common directo (*)
  457fdb8... Update to 4.6.2 (*)
  83f5288... Initialize branch EL-6 for xfdesktop (*)
  31232ee... dist-git conversion (*)
  11d670d... Merge from master - 4.8.2 (*)
  98b46c9... Drop BR on libxfce4menu-devel (*)
  afffaed... Update to 4.8.3 (*)

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