Fixed #83 -- Fixed spelling error in django.conf.settings. Nice catch, Manuzhai!

git-svn-id: http://code.djangoproject.com/svn/django/trunk@203 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/conf/settings.py

@@ -22,7 +22,7 @@ for setting in dir(global_settings):
 try:
     me.SETTINGS_MODULE = os.environ["DJANGO_SETTINGS_MODULE"]
 except KeyError:
-    raise EnvironmentError, "Environemnt variable DJANGO_SETTINGS_MODULE is undefined."
+    raise EnvironmentError, "Environment variable DJANGO_SETTINGS_MODULE is undefined."
 
 try:
     mod = __import__(me.SETTINGS_MODULE, '', '', [''])