[PATCH] emacs: use complete-read for all password-store-* commands

[Tino Calancha]

> These two patches will add completed-read to all passwrod-store-* commands.
It looks good to me but I don't have privileges in this repository.

> Btw this is my first contribution, hopefully I did everything correctly.
May I suggest you combine the two patches in just one? Then submit the
resultant patch to this list embedded as text in the body message.

The maintainers recommend to use `git send-email'
https://git-send-email.io/

If you prefer to use `git format-patch', then I found this answer useful:
https://stackoverflow.com/questions/6535761/how-to-email-patches-formatted-with-git-format-patch#answer-38262186

Cheers,
Tino