[mingw-headers/f20] (5 commits) ...Update to 3.0.0

[Erik van Pienbroek]

Summary of changes:

  5757f8c... Fix copy/paste typo (*)
  6fd94a1... Update to r6258 (20130909 snapshot) (*)
  7ee2509... Update to r6277 (20130911 snapshot) (*)
  59831d1... Update to r6284 (20130914 snapshot) (*)
  c7b1368... Update to 3.0.0 (*)

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