VMM/cli/clihelp: Two small improvements: - Unified `wild card search' help messages. - Added a comment for xgettext, so it should no longer make a wrong decision about `python-format'.

.. |curr_vers_rel_date| replace:: The most current version of vmm is 0.6.2,
 released on 01 February 2014.
.. |rel_hist| replace:: Older releases are listed in the :doc:`release_history`.