[nethack-vultures/f15] (7 commits) ...Remove rebuild entries that only happened in F17

[Bruno Wolff III]

Summary of changes:

  b173326... Rebuild for new libpng (*)
  685d95e... - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass (*)
  874f5c7... Fixes to use libpng 1.5 (*)
  b53e023... Abide by font guidelines bz 477431 (*)
  75aeb31... Forgot to add the libpng patch (*)
  96f9369... Put back mass rebuild entry removed by mistake (*)
  294b3ef... Remove rebuild entries that only happened in F17 (*)

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