Allow secure access to the xqueue server.

cloudformation_templates/edx-reference-architecture.json

@@ -2255,6 +2255,12 @@
             "FromPort":"80",
             "ToPort":"80",
             "CidrIp":"0.0.0.0/0"
+          },
+          {
+            "IpProtocol":"tcp",
+            "FromPort":"443",
+            "ToPort":"443",
+            "CidrIp":"0.0.0.0/0"
           }
         ]
       }