[parole/f16] (3 commits) ...Revert changes that were never built for anything but rawhide and then fix the tray icon (#756495)

[Christoph Wickert]

Summary of changes:

  62947d7... Rebuild for new libpng (*)
  2f27c44... - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass (*)
  14433fa... Revert changes that were never built for anything but rawhi (*)

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