Output \n as newlines on console

cli_msg got passed strings with \n in it. This was printed literally
to the console, which was not really readable.

Convert \n to real newlines, so the console output is more readable.

LogosLinuxInstaller.sh

@@ -173,7 +173,7 @@ no-diag-msg() {
 	die;
 }
 cli_msg() {
-	printf "%s\n" "${1}"
+	printf "%s\n" "${1}" | sed 's/\\n/\n/g'
 }
 gtk_info() {
 	zenity --info --width=300 --height=200 --text="$*" --title='Information'