adding a `purge` flag that removes the node and the client from the chef server and also destroys all associated cloud ips.
version 0.2.3. adding purge to server delete
update readme
Merge pull request #9 from rubiojr/perge-option

purge flag for server delete
Bumped version to 0.3.0 adding purge option
Support specifying the Brightbox zone when creating a new server

It can be set to gb1-a or gb1-b with a new `--zone` switch. Default is gb1-a.
Add `knife zone list` subcommand

Refs #10
Add information about zones to the README

Refs #10
Merge pull request #10 from gregkare/zones

Support Brightbox zones
Release 0.4.0 with Zones support
support the `--secret-file` and `--secret` flags
Merge pull request #14 from rubiojr/support-secret-config

allow a secret or secret-file when bootstrapping a new server
Release 0.5.0 with secret args