Clean up and organize CSS and JS files.
finish frontpage shell
Change navbar to sit below the banner on the front page.

The banner sticks to top when it is scrolled past, but it
must be at the top of the page for all other pages. I used
 jekyll includes to acheive this.
fix a quirk of the navbar on mobile
add social icons and fix navbar on mobile
Redesigned banner with mailing list signup
Start the events slider
Merge branch 'redesign' of https://github.com/adicu/adicu.github.com into redesign

Conflicts:
	css/style.css
Fix broken tag, logo size, and expand opaque banner
hide listserv in the navbar at the top of the page.
improve navbar/social and implement events as a carousel
kill old js files
Add social sharing buttons instead of JS versions
Fix z-index problem on navbar
cleanup css
add optional github link if 'code' is set in post
add navbar to the jobfair page
Merge pull request #116 from adicu/code_button

Code button This looks awesome!
Events carousel styled & loaded with javascript
Events load from gcal