changed second expert talk to health, and company to claimsync
shared the speaking slots among speakers
Merge branch 'agenda/arrange-speakers'
swapped talk positions for precious, seth and joel. joel is 3rd talk, precious is last talk, seth talk after lunch
Merge branch 'responsive' of https://github.com/devcongress/devcongress.com

disabled the register, title and title buttons, changed the date and location on the main page. added a twitter follow button on the home page.
added the thankyou.html.erb file in the pages folder
added the email file for the thank you email in the public directory
rerouted the index page back