'Run the ansible command
Subclasses must implement this method.  It does the actual work of
running an Ansible command.'

@abstractmethod
def run(self):

    display.vv(to_text(self.parser.get_version()))
    if C.CONFIG_FILE:
        display.v((u'Using    %s    as    config    file' % to_text(C.CONFIG_FILE)))
    else:
        display.v(u'No    config    file    found;    using    defaults')
