re-migrate index.html to use author.email instead of nickname().
re-migrate index.html to use author.email instead of nickname().

thejeshgn/appengine-guestbook-python,dmolson/appengine-guestbook-python,wcyuan/weather-mailer,Romzz/appengine-guestbook-python,Romzz/appengine-guestbook-python,adjohnson916/appengine-guestbook-python,t9nf/appengine-guestbook-python,artificechicago/camp2016,wcyuan/weather-mailer,jeffgodwyll/appengine-flask-guestbook,thejeshgn/appengine-guestbook-python,bkeyvani/appengine-guestbook-python,ashwini0529/appengine-guestbook-python,bkeyvani/appengine-guestbook-python,GoogleCloudPlatform/appengine-guestbook-python,JackConnor/portfolio,jerarl/gcp-appengine-python,GoogleCloudPlatform/appengine-guestbook-python,adjohnson916/appengine-guestbook-python,dmolson/appengine-guestbook-python,artificechicago/camp2016,jeffgodwyll/appengine-flask-guestbook,jerarl/gcp-appengine-python,JackConnor/portfolio,JonGal/appengine-ml-demo,ashwini0529/appengine-guestbook-python,JonGal/appengine-ml-demo,t9nf/appengine-guestbook-python