Merge pull request #72 from chrissvetlik/gh-pages

Add alternate Woz pledge page for social sharing
Facebook like button is enabled
Merge branch 'gh-pages' of github.com:MayOneUS/homepage_redesign into gh-pages
Merge pull request #73 from chrissvetlik/gh-pages

Update validators section on IHASP page
Added a firefox warning for versions under 17.
Merge branch 'gh-pages' of github.com:MayOneUS/homepage_redesign into gh-pages
Create test landing page with new pledge functionality