Moving django-extensions into base settings

django-extensions was just in the test settings before (i.e., not
deployed on production), but it is pretty nice and useful, so we
are moving it into the base settings so that it can be used
everywhere!

config/settings/base.py

@@ -293,8 +293,15 @@ INSTALLED_APPS = [
     'rest_framework',
     'guardian',
     'django_twilio',
+    'django_extensions',
 ]
 
+# Aliases for django-extensions shell_plus
+SHELL_PLUS_MODEL_ALIASES = {
+    # Two 'Group' models - auth.Group and gracedb.Group
+    'auth': {'Group': 'AuthGroup'},
+}
+
 # Details used by REST API
 REST_FRAMEWORK = {
     'PAGINATE_BY': 10,

config/settings/test.py

@@ -22,7 +22,6 @@ MIDDLEWARE += [
 # Add to installed apps
 INSTALLED_APPS += [
     'debug_toolbar',
-    'django_extensions',
 ]
 
 # Add testserver to ALLOWED_HOSTS
@@ -42,9 +41,3 @@ if DEBUG and debug_middleware in MIDDLEWARE:
 INTERNAL_IPS = [
     socket.gethostbyname(socket.gethostname()),
 ]
-
-# Aliases for django-extensions shell_plus
-# We have two 'Group' models - auth.Group and gracedb.Group
-SHELL_PLUS_MODEL_ALIASES = {
-    'auth': {'Group': 'AuthGroup'},
-}