Checkmk Werk 15541: Replace BGP peer check plugin

ID: 15541 Title: Replace BGP peer check plugin Component: Checks & agents Level: 1 Class: New feature Version: 2.3.0b1 The Arista BGP check plugin is replaced by a more general BGP peer check plugin. The following new features are added: <ul> <li>Introduction of new SNMP sections cisco_bgp_peerv2 and cisco_bgp_peerv3 <li>Add description or VrfName if available which is available as check result and service label <li>Add established time which is available as check result aswell as a metric <li>Move less important check output to details <li>Add configurable state mapping for admin state and peer state </ul>