[Ray/el6] (8 commits) ...upload tarball with fedpkg

[Sebastien Boisvert]

Summary of changes:

  b3bdd3d... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  b48ffb9... ifix date in changelog (*)
  2486983... make sure source is uploaded (*)
  0209d47... changed the dependency from mpich2 to mpich (*)
  dcf28ed... increase the release number from 7 to 8 (*)
  37f895e... fix buddy dates reported by rpmlint (*)
  98d9a91... update version with upstream version 2.3.1 (*)
  4bfb23e... upload tarball with fedpkg (*)

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