Napalm-nxos

Fixed "Broken close method": https://github.com/napalm-automation/napalm-nxos/pull/73
Set & delete users templates: https://github.com/napalm-automation/napalm-nxos/pull/67
Traceroute: add vrf arg: 71
Fixed "Unable to apply changes due to cfs lock": https://github.com/napalm-automation/napalm-nxos/pull/63
Fixed "`load_merge_candidate` is not additive": https://github.com/napalm-automation/napalm-nxos/pull/64

Python 3 support: https://github.com/napalm-automation/napalm-nxos/issues/35
New method `is_alive`: https://github.com/napalm-automation/napalm-nxos/issues/52
Migrated to the new test framework: https://github.com/napalm-automation/napalm-nxos/issues/30
Fixed: https://github.com/napalm-automation/napalm-nxos/issues/51, https://github.com/napalm-automation/napalm-nxos/issues/36 and https://github.com/napalm-automation/napalm-nxos/issues/54

New method `get_config` + many bug fixes and improvements: https://github.com/napalm-automation/napalm-nxos/milestone/4?closed=1

For more information - https://github.com/napalm-automation/napalm-nxos/milestone/3

Enhancements:
- 9 Added support for using https as transport.