junos integration test fails intermittently after task enables netconf
on the remote host and the second task tries to create a persistent
connection. Add a delay after the first task to ensure netconf is up
running on remote host.
* 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.
