7043860: NTML impl of SaslServer doesn't throw ISE from getAuthorizationID() method
7043882: NTML impl of SaslServer doesn't throw ISE from getNegotiatedProperty() method
7043938: NTML impl of SaslClientFactory throws NPE instead of SaslException
7043959: NTML impl of SaslClientFactory throws NPE for null CallBackHandler instance
Reviewed-by: vinnie