Make snf-image-creator be the dialog-based program and snf-mkimage be
the command line one.

Make sure to state that the host system in the "Create a new image"
example is a Debian Wheezy system. Most of the things work in every
distro, but some commands (e.g. kvm) may have a different name or
a slightly different functionality.

Add installation instructions for OpenSUSE

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

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

Make the ChangeLog comply with the latest changes

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

Update the documentation to reflect the changes made after 0.2.4

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

Add installation sections for Fedora and CentOS

 * Add contact info
 * Add info on how to install Arch Linux packages
 * Add limitations section in usage

Credits go to Alex Pyrgiotis <apyrgio@grnet.gr>

Add missing rsync dependency dependency in the install section of
the documentation

 * Add instuctions for installing the software in Ubuntu 12.10
 * Rephrase some parts in install, overview and usage sections