use chef package for kernel headers

Previously we used a bash block and a direct apt-get
install which would not properly pass package overrides
causing chef to halt on apt-get when dist config files
had been modified

Change-Id: I82a691c81f71dd7b5b56745282160c703a0f60a6
Support HA Rabbit Queue Configurations

Change-Id: I75f3f52a17ff828639994256264b2501f9b6f8ce
some stuff