Fix ssi_checkPassword

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Fix Admin and Moderate login

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Remove legacy login hash code

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Fix installer and upgrader

Signed-off-by: Shitiz Garg <mail@dragooon.net>