add support for VirtIO / XEN paravirtual devices in getHardDisk (vda xvda)

[alv000h]

Fixes errors during Capturing / deploying images: "Cannot find disk on system (getHardDisk)"

This error is caused by VirtIO vda devices.

additional information:
https://forums.fogproject.org/topic/9299/issue-virtio-disks-not-found-during-image-capture-deploy

[mastacontrola]

I've added what you've suggested, but did so manually for now. The reasoning behind the choice is two fold. First you're pushing into the master branch which really should be pushing into the dev-branch or working-1.3.2 branch. While this would make the disk visible, it could've had issues finding the partitions on the disk. What I've pushed up should make this change to the partition table as well.

[mastacontrola]

Please see the link for more information.
https://forums.fogproject.org/topic/9299/issue-virtio-disks-not-found-during-image-capture-deploy/2#

[alv000h]

@mastacontrola thank you so much for your efficient attention!!

Sorry for pushing in master branch, additional information for PR in Readme.md will be nice.

[mastacontrola]

You didn't do anything wrong. The system isn't perfect, and I don't mind that you pushed into "master".

I'm still getting familiar with Git myself. I'll see if I can get information on which branch to make pull requests too. At the least I'll add a message that just asks that you make pull requests to the dev-branch branch.