Add `hard_drive_interface` option for VirtualBox builder#391

Merged

mitchellh merged 2 commits intohashicorp:masterfrom jbronn:hard_drive_interface

Sep 5, 2013

+28-1

Commits on Sep 5, 2013

Enable customization of VirtualBox disk controller with hard_drive_interface option (SATA only).
Justin Bronn
committed
Document the hard_drive_interface option.
Justin Bronn
committed