Fixed #18611 -- Display current date/time when running runserver

from optparse import make_option

from datetime import datetime

import os

import re

import sys

        self.stdout.write("Validating models...\n\n")

        self.validate(display_num_errors=True)

        self.stdout.write((

            "%(started_at)s\n"

            "Django version %(version)s, using settings %(settings)r\n"

            "Development server is running at http://%(addr)s:%(port)s/\n"

            "Quit the server with %(quit_command)s.\n"

        ) % {

            "started_at": datetime.now().strftime('%B %d, %Y - %X'),

            "version": self.get_version(),

            "settings": settings.SETTINGS_MODULE,

            "addr": self._raw_ipv6 and '[%s]' % self.addr or self.addr,