Upgrade django-extensions to 1.4.9.

pmac · pmac · commit 11cdcd11e302 · 2015-01-29T14:31:20.000-05:00
Changelist is too long to paste here, but I
confirmed that the parts we use still exist
and things still work.
diff --git a/vendor-local/src/django-extensions b/vendor-local/src/django-extensions
@@ -1 +1 @@
-Subproject commit b350b088d46b91cffb0c2b7d90f54fe38089c87b
+Subproject commit ee12d9188d0ed9bace79fddc33d584146422a831
