Added Townscript as Ticketing Partner

1. Added Townscript as ticketing partner
1. Added Sitemap.xml
1. Cleaned up Unnecessary JS and CSS as a part of fixing a JS Console error "Uncaught ReferenceError: google is not defined "

You can check it out here http://qwinix.github.io/gopherconindia.github.io

IMPORTANT : The Register Now button in the registration page is not working.