Update Amulet defs, series metadata and c-h sync

- Sync charm helpers if applicable.

- Fix test executable hashbags for virtualenv prep.

- Add Yakkety-Newton Amulet test definitions.

- Prep Xenial-Ocata Amulet test definitions (not yet enabled).

- Prep Zesty-Ocata Amulet test definitions (not yet enabled).

- Add Zesty charm series metadata.

- Remove Precise charm series metadata if present.

- Remove Precise Amulet test definitions if present.

- Update amulet to remove Juno reference

Change-Id: I374593c6b19f8d5011b954d4725ecfe760450037

hooks/charmhelpers/contrib/openstack/templates/openstack_https_frontend

@@ -9,10 +9,13 @@ Listen {{ ext_port }}
     SSLProtocol +TLSv1 +TLSv1.1 +TLSv1.2
     SSLCipherSuite HIGH:!RC4:!MD5:!aNULL:!eNULL:!EXP:!LOW:!MEDIUM
     SSLCertificateFile /etc/apache2/ssl/{{ namespace }}/cert_{{ endpoint }}
+    # See LP 1484489 - this is to support <= 2.4.7 and >= 2.4.8
+    SSLCertificateChainFile /etc/apache2/ssl/{{ namespace }}/cert_{{ endpoint }}
     SSLCertificateKeyFile /etc/apache2/ssl/{{ namespace }}/key_{{ endpoint }}
     ProxyPass / http://localhost:{{ int }}/
     ProxyPassReverse / http://localhost:{{ int }}/
     ProxyPreserveHost on
+    RequestHeader set X-Forwarded-Proto "https"
 </VirtualHost>
 {% endfor -%}
 <Proxy *>