Werk #5878: Fixes sorting of host tag groups

Component	Setup
Title	Fixes sorting of host tag groups
Date	Mar 5, 2018
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

The sorting of the WATO host tags was broken in the 1.5 releases.

To the list of all Werks