Enhancement - Password updated acknowledgement email

[thomasrd1]

These days, it's very common to receive and email acknowledgement when you have changed your password.

• when a user changes their password via the reset password form
• when a user changes their password via the change password form

Hi Thomas, You have just changed your password on {siteurl}. If this was not you, please contact us immediately. If this was you please ignore this email.

[Dries Vints]

We don't have plans for this ourselves atm. You're always free to attempt a PR. Thanks