[mash/epel7] (7 commits) ... we have a targ.gz for sources

[Peter Robinson]

Summary of changes:

  13496e0... enable ppc64le support (*)
  282fe5a... fix up the Metadata class to have the correct paramaters (*)
  4a9fd60... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  30a94d4... enable ppc64le mashing for branched and rawhide ppc compose (*)
  be90e7f... Update to 0.6.12 for new f21 branch/f22 rawhide. (*)
  bc1fa95... make sure we keep values expected to be integers, integers (*)
  819be9a...  we have a targ.gz for sources (*)

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