Rename DiskDevice class to Image and move it to a seperate module.
Also, don't let the user access the os_type/* modules directly. In
Image class create the `os' member variable that will host an
appropriate instance of one of the OSBase classes.

Make the docs html theme comply with the of the synnefo projects

Variable d in function valideate_account was undefined

The exclude patterns were wrong and they excluded more files than
they should.

In the bundled image /tmp and /var/tmp file mode bits ended up being
wrong.

Display the online documentation url

Update the documentation to reflect the changes made after 0.2.4

Support images that can only be deployed by the user that registers
the image to cyclades

You don't need the account name. You can fetch it from astakos using
the authentication token.

Credits go to Konstantinos Tompoulidis <kostikas@grnet.gr>

Latest versions of synnefo require user id instead of e-mail to
authenticate.

Don't let libguestfs guess the format of the provided image. Enforce
it to treat the image as raw.

When shrinking partitions, make sure that the shrinked partitions
always starts from the sector the initial partition started. Changing
this may destroy the boot loader.

Add installation sections for Fedora and CentOS

When you create a source distribution with:
	python ./setup.py sdist
The docs should be included in the source archive.

It behaves different in different pyparted versions and only causes
problems. Let python do the garbage-collection...

The method has different behaviour in python 2.6 and python 2.7.
In python 2.6, os.path.relpath('/proc', '/) will output '../proc'
where in python 2.7 it will output 'proc'.

Use length instead of getLength() to get the size in sectors of a
device.