* Making username password etc non mandatory as we use persistence connection.
Some documentation fine tuning also done.
* To update version which was tested against.
* Adding Bacon switch (NE0152T) to device rules
* Qalthos Review catch
* Updating version
* Changing documentation to add Bacon switch. This is effective since 2.8
* To change all CLIs present in the code to latest CNOS CLI. One bug of executing with Lenovo Jakku switch is also getting fixed.
* To change the file names as the commands have changed from display to show
* To change to new CLI in test_cnos_comand.py as well
