Version 4.9.1

(released 07 Feb 2019)

Fixed GitHub issues in this release:

#1820 (ipdevpoll will not schedule jobs under NAV 4.9.0)
#1822 (Command line argument support for nav daemon startup config)
#1823 (Old switch port layout screen is blank in NAV 4.9.0)
#1824 (navdump crashes when dumping service table)
#1825 (Alertprofiles crashes when attempting to delete matchfield)
#1826 (Device history crashes when attempting to browse the history of an IP Device)
#1827 (Any l2trace search will crash with a Django FieldError)
#1828 (PDU dashboard widget crashes under NAV 4.9.0)
#1829 (Any toolbox descriptor file containing superfluous equal signs will be silently ignored by the web interface)
#1830 (MAC address prefix filters are horribly slow in arp and cam API endpoints)
#1831 (Threshold monitor crashes if rule returns Graphite error)