VMM/Transport: reworked Transport class.
Use assertions for argument checks. Removed methods getID() and
getTransport(). This values are now accessible through the read-only
attributes id and transport.
VMM/{Account,Domain}: adjusted to modifications in Transport class.
A few code cleanups.
.. Substitutions in section 1
.. |account.disk_usage| replace:: `account.disk_usage`
.. _account.disk_usage: vmm.cfg.5#account-disk-usage
.. |domain.force_deletion| replace:: `domain.force_deletion`
.. _domain.force_deletion: vmm.cfg.5#domain-force-deletion
.. |misc.transport| replace:: `misc.transport`
.. _misc.transport: vmm.cfg.5#misc-transport
.. #EOF