* Problem: Source files contain no license info
Solution: Add comments with SPDX license info to source files
* Python 3 files don't need # -*- coding: utf-8 -*-
- Documentation support to add a new BDB node to an existing
replica set, using x.509 certificates and SSL/TSL connections, across
geographically dispersed clusters.
- Fix some documentation issues and add more references i.e.
specifically about signing of MongoDB member certificates.
- Minor fixes for nginx-https-dep.yaml(invalid configMap var)
- Reconfigure nginx keep_alive between MongoDB front and backend ports.
- Editor removed whitespaces