class Bundler::Thor

the namespace should be displayed as arguments.
the command that is going to be invoked and a boolean which indicates if
thor class by another ways which is not the Bundler::Thor::Runner. It receives
The banner for this class. You can customize it if you are invoking the

def banner(command, namespace = nil, subcommand = false)
  "#{basename} #{command.formatted_usage(self, $thor_runner, subcommand)}"
end