In windows the do_sysprep method shuts down the guestfs vm and boots
the image. This allows executing windows commands on the image remotely.

The user may define parameters needed by the os_type classes to perform
the system preparation tasks.

A new needed_sysprep_params method is added to os_type.OSBase that
returns a list with parameters that should be defined by the user.

It has never been used. If we need it in the future, we will bring
it back

Add do_sysprep method for windows that shuts down the guestfs backend
process and starts a new kvm process with the snapshot disk attached to
it.

Those classes may need to access more Image data than the guestfs
handler and the root device name

Before launching the windows image with KVM, disable the UAC remote
restrictions. This is needed to make the image allow executing
command through psexec. After the VM is shut down, the restrictions
are turned back on.

This function is used to check if a specified libguestfs version is
smaller, greater or equal to the installed one

Conflicts:
	image_creator/version.py
	version

Conflicts:
	docs/conf.py
	image_creator/version.py
	version

Works better this way in OpenSUSE

python-dialog package in OpenSUSE decorated the returned enabled
choices from a dialog checklist with `"'. Remove those characters

Add installation instructions for OpenSUSE

The system preparation tasks could be printed multiple times in the
help dialog.

 * Add instruction on how to install the debian packages
 * Update version to 0.4.1
 * Add a small comment about the diskdump format

Conflicts:
	image_creator/version.py
	version

In the documentation and the printed messages, remove all references
to ~okeanos, pithos or cyclades.

 * Move all common WizardPage variables to the base class
 * Give more sensible names to some variables
 * Make Wizard compute the title for all WizardPages

Make the cloud selection wizard page an instance of WizardMenuPage

Make the ChangeLog comply with the latest changes

When registring an image, use the information returned by the
kamaki register method to construct the metadata file.

When dumping the image to the local filesystem, store the image
properties and the disk-format info in the metadata file.