[cmake/f16] (7 commits) ...Update to 2.8.6 final

[Orion Poplawski]

Summary of changes:

  d6faab9... Update to 2.8.6 RC 1 Update dcmtk patch (*)
  2c740a1... Add upstream patch to fix aclocal install location (*)
  5fa4687... Update to 2.8.6 RC 2 Drop aclocal patch (*)
  d8fd6d2... Sync FFLAGS and LDFLAGS in the %cmake macro with redhat-rpm (*)
  9d98447... Update to 2.8.6 RC 3 (*)
  1372fb6... Update to 2.8.6 RC 4 (*)
  361a3df... Update to 2.8.6 final (*)

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