Jinja 2 templates to handle the configurations

[ramkrsna]

• Introduce Jinja2 templates to handle configuration output
• Follow the REPL model to break down the exisitng cic code

[ramkrsna]

The templated are available for CNS 3.9, OCS 3.10 and OCS 3.11

[ramkrsna]

The commits are in the master.