add unauthenticated path for simple probe check; fix deprecated api warnings
add unauthenticated path for simple probe check; fix deprecated api warnings

jenmalloy/enmasse,jenmalloy/enmasse,EnMasseProject/enmasse,jenmalloy/enmasse,ErnieAllen/routilities,jenmalloy/enmasse,EnMasseProject/enmasse,EnMasseProject/enmasse,jenmalloy/enmasse,EnMasseProject/enmasse,jenmalloy/enmasse,EnMasseProject/enmasse,EnMasseProject/enmasse,ErnieAllen/routilities,EnMasseProject/enmasse,jenmalloy/enmasse