[1.6.x] Fixed #23265 -- Used system-specific encoding in runserver

from django.core.management.base import BaseCommand, CommandError

from django.core.servers.basehttp import run, get_internal_wsgi_application

from django.utils import autoreload

from django.utils.encoding import get_system_encoding

from django.utils import six

naiveip_re = re.compile(r"""^(?:

        self.validate(display_num_errors=True)

        now = datetime.now().strftime('%B %d, %Y - %X')

        if six.PY2:

            now = now.decode('utf-8')

            now = now.decode(get_system_encoding())

        self.stdout.write((

            "%(started_at)s\n"

* Restored bug fix for sending unicode email with Python 2.6.5 and below

  (`#19107 <https://code.djangoproject.com/ticket/19107>`_).

* Prevented ``UnicodeDecodeError`` in ``runserver`` with non-UTF-8 and

  non-English locale (`#23265 <https://code.djangoproject.com/ticket/23265>`_).