Incorporate visual identity, use Jekyll

Addresses
https://github.com/openelections/openelections-frontend/issues/4
Change map behavior to be click instead of hover
Migrate content from blog site

Migrate About, FAQs, Get Involved and People pages from
http://blog.openelections.net.
Break CSS into separate files
Fix active nav markup

Bootstrap uses an ``active`` class on the ``li`` element, not the
link.
Fix link to homepage.
Add link to blog
Separate layouts with and without sidebar
Increase space between Core Team bios