Remove unnecessary calls to include_recipe.
Add apt, yum and riak to dependencies.
Bump default Riak CS version to 1.4.4.
Pin yum and apt dependencies.
Bump default Riak CS version to 1.4.5 and Riak version to 1.4.8.
Merge pull request #39 from basho/hc-riak-cs144

Bump default Riak CS version to 1.4.5.