- Tell rpm to use gzip for compression and md5 for checksums   This should fix #192 and allow rpms to be built on newer redhat   distributions that function on older ones.
- Tell rpm to use gzip for compression and md5 for checksums
  This should fix #192 and allow rpms to be built on newer redhat
  distributions that function on older ones.

  Huge thanks to @katzj for explaining the format of the
  %_binary_payload macro.

djhaskin987/fpm,djhaskin987/fpm,djhaskin987/fpm,djhaskin987/fpm