Michael Friedrich f267135711 Update NodeName/ZoneName constants with 'api setup'
This commit also moves the constants.conf backup logic
into NodeUtility::UpdateConstant() where it belongs.

Logging has been slightly adopted too.

fixes #5763
2017-11-28 13:38:53 +01:00
..
2017-10-24 15:54:05 +02:00
2017-11-27 10:24:12 +01:00