Updating version of riak client and changed repo's to 3.0.0 ampq.
Modified makefile to package riak_pb for deployment to Rabbit.
Working version when no content type specified, defaults to application/octet-stream.
Updated readme for new versions.
Updated Riak Version.
Merge pull request #3 from bkearns/master

Updated to use 3.0.0 Rabbitmq and latest Riak erlang Client
Upgraded rebar. Updated reference to rabbit_common-3.0.0. Tweaked rebar.config to tighten the compile options. Tweaked the code to eliminate a warning.
Changes for 3.1.0
Minor changes to README file