Added disk_count property. Resolves issue #86
Added Test for disk_count
Merge pull request #573 from manin/master

Added disk_count property and test.
relaxing net-ssh requirements in gemspec
Copy ubuntu-12.10-server template to ubuntu-12.10-desktop
Changes for Ubuntu desktop 12.10
Remove downloaded packages to save space
Copy ubuntu-12.04.2-server template to ubuntu-12.04.2-desktop
Changes for Ubuntu desktop 12.04.2