Werk #1989: Fix sorting of services in availability views

Component	User interface
Title	Fix sorting of services in availability views
Date	Feb 4, 2015
Level	Prominent Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

To the list of all Werks