[erlang-rebar/f17] (5 commits) ...Fixed build in EL5 and added erl_interface as a dependency

[Peter Lemenkov]

Summary of changes:

  bbc5a58... Enable building for EL5 (*)
  6601a50... typo (*)
  6ba0367... another copypasted typo (sorry for the noise) (*)
  32804a4... And another copypasted typo (sorry for the noise - this is  (*)
  dbaf4f9... Fixed build in EL5 and added erl_interface as a dependency (*)

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