Redesign and added some content to logistics
Additional organizers added.
Reordered organizers.
Update organizers.md
Added a proposed session
Merge branch 'master' of https://github.com/NCEAS/open-science-codefest
Changed around the design of the index page, adding sponsor logos to the
footer, and added the registration page content
Added images that I forgot to push
Split the organizing committe, removing nominees into its own file.
Moved session template out of posts directory so that it doesn't show up in the site.
Changed template from post to default, to avoid liquid errors.  Need to turn it back into a post when creating new sessions.
Added to nominees list.
Added CC-BY to footer, and adjusted site properties in config.
Modified paths to properly set BASE_PATH so the installation works within GitHub pages.

Need to test if the install works after pushing to the gh-pages branch.
Merge branch 'master' into gh-pages

Conflicts:
	_includes/themes/twitter/navbar.html
	assets/css/custom.css
	index.md
	logistics.md

Resolved conflicts manually by resolving path discrepancies.  Still need some work on the CSS file paths.