Update of mail/wmbiff to 0.4.15 and add support for gnutls (SSL).
This PR supersedes :
o [2002/12/16] ports/46301 jim Update port: mail/wmbiff to 0.4.10 (fix ports/45993)
o [2003/01/19] ports/47219 jim mail/wmbiff update to 0.4.12
o [2003/01/28] ports/47603 jim mail/wmbiff update to 0.4.13
o [2003/02/14] ports/48289 jim mail/wmbiff update to 0.4.14
* pkg-message is deleted.
* Take maintainer-ship as agreed with current maintainer (jim@FreeBSD.org)
* The SSL code currently does not work (it still compiles) but that
seems to be a problem with libtans1/gnutls/grcrypt and should
hopefully be fixed when they are upgraded to the latest versions.