Initial commit to use Chef's upstream debs.
Tweak ordering of chef/chef-server install; allow custom cookbook packages;
patch chef-client cookbook to work out-of-the-box.
Add files forgotten in previous commit.
Get an initial chef-client run to work.
* Pass IP of server to setup_chef_server.sh and set chef-server's fqdn.
* open 443 on chef server
Merge pull request #99 from bloomberg/chef-deb

Migrate to updated Chef debian packages
build the contrail debian packages and dependencies