Check_MK Werk 4690: Fixed handling of state changes when cmcdump is used

ID: 4690 Title: Fixed handling of state changes when cmcdump is used Component: Core & setup Level: 1 Class: Bug fix Version: 1.5.0i1 State changes coming in via cmcdump were always considered "hard" state changes, leading to superfluous logging in the history file and wrong alerts. This has been fixed.