Replaced some words to be more sensible (such as from "aja" to "suorita") and fixed some grammar errors. ("Kirjoittaa" not "Kirjoita")
Previously a finnish person could easily tell it wasnt by a finnish person.
Fix for #921
in mx linux, when started with non-systemd init, loginctl returns null string to stdout (and an error message to stderr). this patch will use XDG_SESSION_TYPE and XDG_SESSION_ID environment variables if the loginctl code fails to determine these.