Xymonton mail fixed 🔗 link

Thanks to Bruno Manzoni for pinging me that no email was received when
registering, I discovered that the mail service I was using was not working
any longer.  I've updated to another service and verified that I, at least,
can receive emails.  Password reset emails should work now.

=G=

Thanks =G=,

I confirm it works and also the wiki: I added also some monitor, addon 
and my version of devmon

Bruno