Fixed a bunch of spurious imports, typos, and other small errors turned up by a pass through PyFlakes. This covers about the first third of the errors.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3411 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/views/main.py

@@ -10,9 +10,6 @@ from django.shortcuts import get_object_or_404, render_to_response
 from django.db import models
 from django.db.models.query import handle_legacy_orderlist, QuerySet
 from django.http import Http404, HttpResponse, HttpResponseRedirect
-from django.template import loader
-from django.utils import dateformat
-from django.utils.dates import MONTHS
 from django.utils.html import escape
 from django.utils.text import capfirst, get_text_list
 import operator