Remove lang/jgnat* ports from the tree:

        Date: Sat, 1 Nov 2003 20:29:30 -0800
        From: John Merryweather Cooper <coop9211@uidaho.edu>
        To: edwin@lonesome.com
        Subject: Re: FreeBSD ports Problem Reports for ports you maintain
        X-Mailer: Balsa 2.0.15

        lang/jgnat and the associated lang/jgnat-doc-* ports should
        be retired.  lang/jgnat is no longer supported by ACT and
        will no longer compile with lang/gnat's Ada compiler.

PR:             ports/46443
Submitted by:   david@realityrift.com
Approved by:    John Merryweather Cooper <coop9211@uidaho.edu>

BROKEN on 5.1: does not compile

De-pkg-comment.

Implement USE_JAVA

PR:             41986
Submitted by:   John Merryweather Cooper <coop9211@uidaho.edu>

Fix dependencies to be in sync with the recent JDK ports renaming.

Forgotten by:   znerd

Update jgnat so it will continue to build with the new compiler which   has much
stricter Ada 95 style checking.    

fix variable expansion    

o update to 1.1.p (remove unnecessary patches)    

o update to 1.1.p   o add java as a secondary category   o depend on jdk1.2.2
instead of jdk1.1.8   o Makefile style changes and un"echo" installation   o add
PKGMESSAGE with usage instructions    

o Update DESCR to a more precise message   o fix PLIST   o switch maintainership
over to submitter    

fix build with gnat-3.13p.    

Add jgnat-1.0p, an Ada to Java-Byte-Code compiler.