Update the specified user's password

    :param user: The user to update_password
    :param password: The unhashed new password

def update_password(user, password):
    """Update the specified user's password

    :param user: The user to update_password
    :param password: The unhashed new password
    """
    user.password = hash_password(password)
    _datastore.put(user)
    send_password_reset_notice(user)
    password_reset.send(app._get_current_object(), user=user)