Depend on libguestfs >= 1.18

Otherwise, customization and ICICLE generation on Fedora
17 and 18 will not work.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Fix up the unittests to work with python2

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Release 0.10.0

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Bump version to next release of Oz

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Get rid of a silly "hasattr" for the cmdline.

Instead, pass it in, which is a much saner way to do
things.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Cleanup the customize code.

This should be no functional change, but it makes the code
much easier to understand.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Support url based installs for Ubuntu

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Switch to slightly more compact exception handling

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Cleanup the copyright notices.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Added ability to create qcow2 images.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Add in a documentation string to _parse_disk_size

Signed-off-by: Chris Lalancette <clalancette@gmail.com>