Syncrhonet BBS List xtrn\sbl
* The executables for sbl that come with the source archive are actually only scripts that attempt to locate the actual executables in the build directory, which is not needed for the debian package. Add patch to remove xtrn/sbl scripts distributed with source archive (r250).
* Add xtrn/sbl to build & clean targets in debian/rules (r253).
* Install xtrn/sbl executables.(r259)
* Added note for xtrn/sbl to debian/copyright (r262).