Unit Tests

- Cleaned up message that is generated when a recurring task is past
  its until: date and all child tasks have been dismissed, as the
  parent task is deleted.
- Added unit tests recur.until.t to prove that the above is working.

src/recur.cpp

@@ -72,9 +72,7 @@ void handleRecurrence ()
       std::vector <Date> due;
       if (!generateDueDates (*t, due))
       {
-        std::cout << "Task "
-                  << t->get ("uuid")
-                  << " ("
+        std::cout << "Task ("
                   << trim (t->get ("description"))
                   << ") has past its 'until' date, and has been deleted."
                   << std::endl;