restored the creation of knife.rb
Import dmg version 1.1.0
fixed usage of ssh stricthostkey checking
Import git version 2.5.0
Import build-essential version 1.4.0
Import yum version 2.2.0
Import windows version 1.8.10
Import runit version 1.1.2
Import ulimit version 0.1.4
fixed loop that updates roles