[nodejs-aws-sign/f18] (4 commits) ...new upstream release 0.3.0

[T.C. Hollingsworth]

Summary of changes:

  f920de4... add macro for EPEL6 dependency generation (*)
  f14bcf4... invoke EPEL dependency generator macro conditionally to mak (*)
  8960dca... restrict to compatible arches (*)
  0cd9d00... new upstream release 0.3.0 (*)

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