Update the chef barclamp roles to work properly with the
script jig changes, and allow for no-magic installs of chef-server
and chef-client on the admin node.
Merge pull request #55 from VictorLowther/pull-req-master-07cd2da2c693f3f87b4152996b7da62491f566ac

Make more progress in having the admin node bootstrap itself. [2/2]