Unit Tests

- Renamed duration.t.cpp to old_duration.t.cpp, ready for the new duration
  tests.

test/CMakeLists.txt

@@ -7,7 +7,7 @@ include_directories (${CMAKE_SOURCE_DIR}
                      ${TASK_INCLUDE_DIRS})
 
 set (test_SRCS autocomplete.t color.t config.t date.t directory.t dom.t
-               duration.t file.t i18n.t json.t list.t msg.t nibbler.t path.t
+               old_duration.t file.t i18n.t json.t list.t msg.t nibbler.t path.t
                rx.t t.t t2.t taskmod.t tdb2.t text.t tree.t uri.t utf8.t util.t
                view.t width.t json_test iso8601d.t iso8601p.t)