manopapad/proper — pull request #44 by iwamatsu (2012-08-02 04:33:51+00:00)
Title: Support rebar binary in system

This provides the binary of rebar. However, I think that using the rebar binary
installed in the system in many cases.
When rebar is already installed in system, this change that rebar of System use
installed. When not provided, use the binary provide in source.

Signed-off-by: Nobuhiro Iwamatsu