Merge remote-tracking branch 'origin/master'

rebar.config

@@ -1,6 +1,7 @@
 {erl_opts, [
-   debug_info
-   , {i, "include"}
+   {i, "include"}
+   , no_debug_info
+   , deterministic
    , warn_unused_vars
    , warn_shadow_vars
    , warn_unused_import