This update fixes the following issues:

POS_Image-Graphical7:

- Set wicked to use plain mac address for computing DHCP DUID
(bsc#1173268)

POS_Image-JeOS7:

- Set wicked to use plain mac address for computing DHCP DUID
(bsc#1173268)

dracut-saltboot:

- Set wicked to use plain mac address for computing DHCP DUID
- Copy wicked lease xml file to prevent query for second IP address
(bsc#1173268)

golang-github-QubitProducts-exporter_exporter:

- Pin Golang version to 1.14

mgr-daemon:

- Remove duplicate languages and update translation strings

spacecmd:

- Fix softwarechannel_listlatestpackages throwing error on
empty channels (bsc#1175889)

spacewalk-client-tools:

- Remove duplicated languages and update translation strings

This update was imported from the SUSE:SLE-15:Update update project.