Use $fulladdr if no login is given

This should resolve #6.

mutt-wizard.sh

@@ -109,7 +109,7 @@ EOF
 fi
 realname=$( dialog --title "Luke's mutt/offlineIMAP autoconfig" --inputbox "Enter the full name you'd like to be identified by on this email account." 10 60 3>&1 1>&2 2>&3 3>&- )
 title=$( dialog --title "Luke's mutt/offlineIMAP autoconfig" --inputbox "Give a short, one-word name for this email account that will differentiate it from other email accounts." 10 60 3>&1 1>&2 2>&3 3>&- )
-login=$(dialog --title "Luke's mutt/offlineIMAP autoconfig" --inputbox "Enter your login." 10 60 3>&1 1>&2 2>&3 3>&- )
+login=$(dialog --title "Luke's mutt/offlineIMAP autoconfig" --inputbox "Enter your login for the \"$title\" account.\n(If left empty, the full email address will be used instead.)" 10 60 3>&1 1>&2 2>&3 3>&- )
 # Sets the repo type and other variables for the sed regex.
 if [[ "$service" == "gmail.com" ]];
 	then
@@ -119,6 +119,10 @@ if [[ "$service" == "gmail.com" ]];
 		type="IMAP"
 		delet="Gmail]\/"
 fi
+if [[ -z "$login" ]];
+	then
+		login=$fulladdr
+fi
 # The replacements
 replacement="
 	s/\$realname/$realname/g;