VMM/cli/subcommands: Corrected username's usage string.
username's name argument is optional.
======================
VirtualMailManager API
======================
:Author: Pascal Volk <neverseen@users.sourceforge.net>
:Date: |today|
:Release: |version|
Contents:
.. toctree::
:maxdepth: 1
:numbered:
vmm.rst
vmm_config.rst
vmm_emailaddress.rst
vmm_alias.rst
vmm_relocated.rst
vmm_errors.rst
vmm_constants_error.rst
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`