[erlang-skerl/f21] (4 commits) ...Merge branch 'master' into f21

[Peter Lemenkov]

Summary of changes:

  2316a68... Use new erlang macros to build with $RPM_OPT/LD_FLAGS etc,  (*)
  ccca96a... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  28af1bd... Rebuild with Erlang 17.2.1 (*)
  319a3d4... Merge branch 'master' into f21

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