Create the new python module to host the aforementioned code.

If present in the kamaki configuration file, the user will read
the ~okeanos credentials using the kamaki config interface.
Whenever the user changes the ~okeanos credentians, the changes are
pushed back to kamaki.

Not fully implemented yet

Fixed many `E127 continuation line over-indented for visual indent'
errors

Before extracting an image or registring it with cyclades, the image
properties are populated with metadata concerning excluded deployment
tasks.

Inform the user about metadata changes performed during syspreps
execution or image shrinking.

Also fix various issues. snf-image-creator-dialog is almost ready.
Some `Help' entries are missing.

Also create a new output class (InfoBoxOutput) to be used when
performing syspreps

Populate Sysprep entry in "Image Customization Menu". Not fully
working.

Image properties manipulation works fine.

Extract and Register menu entries work fine.

snf-image-creator-dialog is a dialog based version of snf-image-creator
Nothing works yet