Netbox-netprod-importer

* Fix StubParser (parser used when no specific parser has been found for the targeted device) by implementing all methods used by specifics vendor parsers. Linked to issue 38

* Fix MTU value when it cannot be parsed
* Fix devices list parsing

* Add option to dynamic build the device list from Netbox (b39dd858c)
* Fix interface type for Netbox 2.7

* Fix crash when loglevel not set in the configuration file.

* Compatibility with Netbox 2.5+
* Import vlan when possible
* Add neighbour discovery over CDP (multiple protocols can be combined to increase odds of matching)
* Increase compatibility with Cisco N9K
* A *lot* of unittests for ios, nxos and junos

Thanks a lot to VictorPavlushin for his great contributions to this project!

Sadly, as indicated in the readme, I will not be able to correctly maintain this project anymore, neither do I need it anymore. If anyone is interested to take the lead, please feel free to reach me.

- Fix app name, fixing configurations paths
- Add more debug when importing