[gksu-polkit/f18] (6 commits) ...Merge branch 'master' into f18

[Simone Caronni]

Summary of changes:

  96623d5... Fix systemd service file (#948613) (*)
  fdc7f4c... Fix systemd scriptlets for all branches (*)
  86959c5... Fix files list (*)
  8bfddbf... Bump release as f17/f18 branches are newer than f19+ (*)
  0337a65... Add fix to service file (#975541), recreate tarball (*)
  ef8cee3... Merge branch 'master' into f18

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