Increased dependency versions to get around pip internal problem

test/conftest.py

@@ -469,5 +469,5 @@ try:
 except docker.errors.ImageNotFound:
     pytest.exit("The docker image 'jwilder/nginx-proxy:test' is missing")
 
-if docker.__version__ != "2.0.2":
-    pytest.exit("This test suite is meant to work with the python docker module v2.0.2")
+if docker.__version__ != "2.1.0":
+    pytest.exit("This test suite is meant to work with the python docker module v2.1.0")

test/requirements/python-requirements.txt

@@ -1,5 +1,5 @@
 backoff==1.3.2
-docker-compose==1.11.1
-docker==2.0.2
+docker-compose==1.11.2
+docker==2.1.0
 pytest==3.0.5
-requests==2.11.1
+requests==2.11.1