[grace/f16] (7 commits) ...New upstream release (bugfixes)

[jamatos]

Summary of changes:

  e680eb5... Rebuild for new libpng (*)
  555db80... Rebuild for new libpng (*)
  7e5f6a0... - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass (*)
  4b2b82b... - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass (*)
  f4280dc... zlib, libpng fixes. (*)
  d1887a8... New upstream release (bugfixes) (*)
  63e6633... New upstream release (bugfixes) (*)

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