Trim 2x h1. ref, switch email to RFC2606-compliant

Extraneous h1. in examples removed and switched the kitchen sink type
demo to avoid a buttload of spam to non-RFC2606 address.

Background: http://tools.ietf.org/search/rfc2606
Merge pull request #4418 from petecooper/master

Trim 2x h1. ref, switch email to RFC2606-compliant