Log Message:
Update to 4.0.5. From the changelog:

- Fix for #72, newly generated test suite refers to file using
  $TEXTTEST_ROOT now to make it easier to version control
- Fix for #75, improve naming of controls and handle lack of source file
  in Import Files dialog
- Fix for #74, focus now in first combo box or text field in dialogs,
  not just first text field. Mainly for Import Files.
- Fixing preview of new or missing files that cannot be decoded using
  the default encoding
- Fix an issue when starting sge slave
- Fix issue when the config queue capacity is None
- Restore functionality to have mode-dependent window sizes
  (dynamic_screen_height etc) which was lost in 4.0
- Possibility to increase parallelism via queue_system_max_capacity
- Make sure we can terminate running tests