Featured Article and Featured Bio Added to Front Page of Front Porch

Used the implementation of recognizing articles with special tags from
create.
Merge branch 'new_front_porch_changes' into front_porch
don't break layout
from metalake
pretty sure Modernizr is not being used
replace generic meta tags and GA
include css and js
global nav, admin bar, app location, content, footer links
breaking some eggs
Merge branch 'development' into front_porch
add back ex appadmin/global nav styles
Add images, hook up carousel, hook up bio, hook up AaE questions
hook up some links
add search
consolidate form tags so search will work
hook up events, adapt styles
pull featured items from dev.learn and dev.ask
fix more images, remove links for now
convert institution search form
secure request for aae widget