The Beast's Domain xtrn/tbd
* Add patch to remove xtrn/tbd scripts distributed with source archive (r251).
* Add xtrn/tbd to build & clean targets in debian/rules (r255). The clean target is commented out because there doesn't actually seem to be one.
* Install xtrn/tbd executables & other files to /opt/synchronet/xtrn/tbd (r263).