Add ssh_gateway as an option to for SSH Transport
Merge pull request #8 from JonathanSerafini/master

Add ssh_gateway as an option to for SSH Transport
Fix for name issue Chef-Metal #52
Merge pull request #9 from mikesplain/fix_for_name_issue

Fix for name issue Chef-Metal #52
Refactor and conform to new metal driver interface
Driver is much more readable now
Fix restart_server, move attach_ips into ready_machine
Work with chef-metal configuration changes