* Add connection=netconf in individual roles for modules that run using netconf connection
plugin
* Add connection=network_cli for junos_netconf and junos_command
at applicable places
* removes cli functions
* adds comment and confirm to arguments
* implements zeroize argument
* fixes get_diff function in junos shared lib to return diff
* lots of minor bug fixes in junos_config
* minor syntax fixes in junos_netconf
* updates netconf integration tests
When using AWS we have to use the full domain name in the inventory file, which
we rather than the short name. This change avoids that ending up being
set in the tests.
