Checkmk Werk 13948: Switch BI check and agent to the REST API

ID: 13948 Title: Switch BI check and agent to the REST API Component: BI Level: 1 Class: New feature Version: 2.2.0i1 The BI active check and agent will now use the REST API to retrive data. This also means that cookie authentication mode in the active check is no longer supported. You can use the header mode (the new default) instead.