Resolves: pki trac ticket #1578,2414,2423,2439
    
    - PKI TRAC Ticket #1578 - Authentication Instance Id PinDirEnrollment with authType value as SslclientAuth is not working (jmagne)
    - PKI TRAC TIcket #2414 - pki pkcs12-cert-del shows a successfully deleted message when a wrong nickname is provided (gkapoor)
    - PKI TRAC Ticket #2423 - pki_ca_signing_token when not specified does not fallback to pki_token_name value (edewata)
    - PKI TRAC Ticket #2436 - Dogtag 10.3.6: Miscellaneous Enhancements (akasurde) - ticket remains open
    - PKI TRAC Ticket #2439 - Outdated deployment descriptors in upgraded server(edewata)