Update organizers.yml
Update and rename 2014-07-21-call-for-papers.markdown to 2014-10-12-call-for-papers.markdown
Update 2014-07-21-hello-world.markdown
Update subscribe.html

Updated form input to mailchimp id
Update _config.yml

Updated subscribeAction with mailchimp url
Update subscribe.html

Updated mailchimp inputs
Merge pull request #1 from TiagoGouvea/gh-pages

Blog and organizers updates