Replaced django-admin.py with django-admin in the man page.

docs/man/django-admin.1

@@ -1,8 +1,8 @@
 .TH "django-admin" "1" "March 2008" "Django Project" ""
 .SH "NAME"
-django\-admin.py \- Utility script for the Django Web framework
+django\-admin \- Utility script for the Django Web framework
 .SH "SYNOPSIS"
-.B django\-admin.py
+.B django\-admin
 .I <action>
 .B [options]
 .sp