add chef for env provisioning
Import nginx version 1.7.0
Import build-essential version 1.4.0
Import yum version 2.3.0
Import apt version 2.0.0
Import runit version 1.1.6
Import ohai version 1.1.10
Import haproxy version 1.3.2
Import cpu version 0.2.0
Import rvm version 0.0.4
Import mongodb version 0.11.0
Import redisio version 1.6.0
Import ulimit version 0.3.0