Update erlang_oauth to the latest version.

Fixes deprecation warnings for R15 and a few minor things:

 https://github.com/tim/erlang-oauth/commits/master

(This includes one small patch that I'm sending upstream now)

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@1039345 13f79535-47bb-0310-9956-ffa450edef68
5 files changed