Merge pull request #700 from helgi/docker-py

chore(requirements): update docker-py to 1.8.1

Author: helgi

rootfs/requirements.txt

@@ -4,7 +4,7 @@ Django==1.9.6
 django-cors-headers==1.1.0
 django-guardian==1.4.4
 djangorestframework==3.3.3
-docker-py==1.8.0
+docker-py==1.8.1
 gunicorn==19.4.5
 jsonfield==1.0.3
 morph==0.1.2