consistent spacing on about_us
update contributors on about_us
updated duncans bio
consistency improvements on the index page
update speaker submissions page with guidelines and the call for papers abstract
indent the html stuff which is going to be migrated into the website
removed h3s in favour of content as per comments
template design and layouts
Merge pull request #3 from duncanphillips/duncan-updates

Changes
content and styles, home, about, venue
speaker boxes
speaker pages, table template
adding content and html style structure
Merge branch 'feature/issue-4-new-core-mobile-first-page-templates' into develop
Merge branch 'develop' of github.com:scaleconf/scaleconf.org into develop