security/dogtag-jss: Add new Port

Java Security Services provides a Java interface to Mozilla NSS.
It includes a Java security provider and native JNI libraries for
cryptographic operations, certificate handling, and symmetric-key
operations used by Dogtag PKI.

WWW: https://github.com/dogtagpki/jss

Sponsored by: Netzkommune GmbH

Required for: FreeIPA server port