Set different title for each page
Do not link to /resume on title: was not working

It only showed the pulldown menu, so we now link to '#' as we should.
No longer show pull down menus on hover.
No longer change resume link to '#' on mobile

It is now '#' always
Setup PDFs as alternates

I am unsure it gives a benefit, but W3C gives it as a sample of the
usage of <link rel="alternate">.