Check_MK Werk 5024: Fixed parsing of some host-related monitoring history entries.

ID: 5024 Title: Fixed parsing of some host-related monitoring history entries. Component: Livestatus Level: 1 Class: Bug fix Version: 1.5.0i1 Some log lines in the monitoring history were classified incorrectly, leading to possibly wrong results in e.g. availibility calculations. This has been fixed. The affected kind of lines were: INITIAL HOST STATE CURRENT HOST STATE HOST ALERT