Added Debian build stuff

git-svn-id: https://forth-ev.de/repos/bigforth@1813 3b8d8251-53f3-0310-8f3b-fd1cb8370982

debian.changelog

+bigforth (2.5.0) stable; urgency=low
+
+  * Initial Release
+
+ -- Bernd Paysan <bernd.paysan@gmx.de>  Sun, 26 Dec 2010 23:36:38 +0100