exported icons -- thanks @cosmicmeow
donors logos will be inline-blocks... easier to grid out.
mocking up challenges with icons.
added all the icons, text for challenges section.
rethinking breakpoints for challenges section.
Merge pull request #12 from wbprice/gh-pages

challenges section
added FAQ content. changed title to "Stuff You Should Know."
added FAQ content. changed title to "Stuff You Should Know."
Merge branch 'gh-pages' of https://github.com/wbprice/codeacross into gh-pages

Conflicts:
	css/main.css
Merge pull request #13 from wbprice/gh-pages

faq  section
trying to fix "can't scroll" issue.
removed skrollr.js.  Will we see you again?
Merge pull request #14 from wbprice/gh-pages

unable to scroll on mobile devices
expanded FAQ, added introduction text built from CfA page, added registration/sponsorship links to contact page.
Merge pull request #15 from wbprice/gh-pages

expanded FAQ, added introduction text built from CfA page, added registr...
added new code across asset
updated new banner
the color is actually B3EEF5
added some little things
linked up donation button to main cfa donation page.