Preparation for Netbox 3.5

- Reports and Scripts have changed in Netbox 3.5. They need to be uploaded now.
  The Docker compose now creates a volume as it does for the media files
- Napalm has been removed from Netbox 3.5
  All configuration entries for Napalm were removed and napalm itself is removed from the requirements file
- Removed Gunicorn from the image
  Nginx Unit has been used for a while now. No need to install Gunicorn

configuration/extra.py

@@ -15,12 +15,6 @@
 #     'file', 'ftp', 'ftps', 'http', 'https', 'irc', 'mailto', 'sftp', 'ssh', 'tel', 'telnet', 'tftp', 'vnc', 'xmpp',
 # )
 
-
-## NAPALM optional arguments (see http://napalm.readthedocs.io/en/latest/support/#optional-arguments). Arguments must
-## be provided as a dictionary.
-# NAPALM_ARGS = {}
-
-
 ## Enable installed plugins. Add the name of each plugin to the list.
 # from netbox.configuration.configuration import PLUGINS
 # PLUGINS.append('my_plugin')