Checkmk Werk 13050: mk_mongodb.py support non legacy hello result

ID: 13050 Title: mk_mongodb.py support non legacy hello result Component: Checks & agents Level: 1 Class: Bug fix Version: 2.1.0i1 Before this Werk <tt>mk_mongodb.py</tt> only supported legacy hello results and thus could not correctly distinguish between arbiter, secondary and primary when an up to date mongodb server was checked.