Add an option to `spansh.py` for excluding Odyssey settlements from the outdated stations list

[alterNERDtive]

The obvious reason is that not everyone can land there, the less obvious one is that I have decided they are not important ;)

[alterNERDtive]

Station type for all of them is OnFootSettlement which should be simple enough to check for.

https://github.com/alterNERDtive/VoiceAttack-profiles/issues/145