Add vertical display in list command

                        help="column aligment display")

        self.add_option("-l", action="store_true", dest="align",

                        help="line aligment display")

        self.add_option("-v", action="store_true", dest="vertical",

                        help="vertical display")

        self.add_option("-m", action="store_true", dest="mikrotik",

                        help="mikrotik display")

        self.remove_option("--quiet")

            self.list_table(objs)

        elif self.options.mikrotik:

            self.list_mikrotik(objs)

        elif self.options.vertical:

            self.list_vertical(objs)

        else:

            self.print_objects(objs, index=self.options.index)

                self.printer.out(self.tdr(t, o.get(t, u"")).ljust(tags[t]) ,nl=" ")

            self.printer.out(color["reset"])

    def list_vertical(self, objs):

        '''Vertical display'''

        term_height, term_width = self.printer.get_term_size()

        # set margin for tags

        margin = 3

        # build full tag order list:

        tags = set((t for o in objs['objects'] for t in o.keys()))

        order = [t for t in objs.get("order", []) if t in tags]

        order.extend(sorted(tags - set(order)))

        # compute index width

        indexw = int(math.log10(len(objs["objects"]))) + 1

        for (i, o) in enumerate(objs["objects"]):

            line = ""

            if self.options.index:

                # +3 is the len("["), len("]"), len(" ")

                line = ("[%d]"%i).ljust(indexw + 3)

            # write id

            tag = order[0]

            line += "%s%s:%s%s "%(self.tdtc(tag), tag, self.tdc(tag), self.tdr(tag, o.get(tag)))

            line += os.linesep

            for t in order[1:]:

                # write tag

                if o.get(t) is not None:

                    # write tag title

                    buf, line_pos = self._format_indent_text(t + ":", margin, margin, term_width)

                    line += " " * margin + self.tdtc(t) + buf

                    # write tag value

                    buf, line_pos = self._format_indent_text(self.tdr(t, o.get(t)) + " ", line_pos, margin, term_width)

                    line += self.tdc(t)

                    if line_pos != margin:

                        line += (buf + os.linesep)

                    else:

                        line += (buf[:-(margin + 1)] + os.linesep)

            self.printer.out("%s%s"%(line[:-1], color["reset"]))

    def list_mikrotik(self, objs):

        '''Mikrotik style display'''

        term_height, term_width = self.printer.get_term_size()