chore(requirements): update backoff 1.3.1 (#963)

helgi · web-flow · commit 87a92f694bfa · 2016-08-09T15:44:29.000-07:00
https://github.com/litl/backoff/blob/master/CHANGELOG.md#v130---2016-08-08
diff --git a/rootfs/requirements.txt b/rootfs/requirements.txt
@@ -1,5 +1,5 @@
 # Deis controller requirements
-backoff==1.2.1
+backoff==1.3.1
 Django==1.9.8
 django-cors-middleware==1.2.0
 django-guardian==1.4.5
