[fedpkg/f18] (5 commits) ...Merge branch 'master' into f18

[Dennis Gilmore]

Summary of changes:

  4b7ae71... use eval to undefine dist macro instead of nil (*)
  efd79f2... - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass (*)
  c0623aa... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  32b05ff... update ppc secondary arch packages, remove sparc, point to  (*)
  5e3d775... Merge branch 'master' into f18

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