Merge pull request #605 from mboersma/update-pyopenssl

chore(requirements): update pyOpenSSL to 16.0.0

Author: mboersma

rootfs/requirements.txt

@@ -10,7 +10,7 @@ jsonfield==1.0.3
 morph==0.1.2
 ndg-httpsclient==0.4.0
 psycopg2==2.6.1
-PyOpenSSL==0.15.1
+pyOpenSSL==16.0.0
 pytz==2016.3
 PyYAML==3.11
 requests==2.9.1