chore(requirements): update PyOpenSSL to 16.2.0 (#1114)

https://pyopenssl.readthedocs.io/en/stable/changelog.html#id1

Author: helgi

rootfs/requirements.txt

@@ -11,7 +11,7 @@ jsonfield==1.0.3
 morph==0.1.2
 ndg-httpsclient==0.4.2
 psycopg2==2.6.2
-pyOpenSSL==16.1.0
+pyOpenSSL==16.2.0
 pytz==2016.7
 requests==2.11.1
 requests-toolbelt==0.7.0