[libxc/el6] (5 commits) ...Merge branch 'master' into el6

[Susi Lehtola]

Summary of changes:

  e1b97ab... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  a108e8e... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  67cb243... Need to apply the ppc patch in epel7 too. (*)
  81ad2d3... Update to 2.1.2. (*)
  e561f4d... Merge branch 'master' into el6

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