Add TLS to Kibana Web Interface

Use HAProxy to terminate a TLS connection on port 5601 for the
Kibana dashboard when TLS is enabled for Kolla. x-forwarded-for
and x-forwarded-proto headers are set to give Kibana the info it
needs to write returned URLs.

Change-Id: I03a2dd3a8e2513d38281b30bf4bae6449fec0316
Closes-bug: #1566117