dist things
clarified filename for homepage program explorer
sample grid overlay for layout checking.
removed abs positioning of copy block, tweaked spacing
simple layout for why hopkins section
color/spacing tweaks
rename to be explicit about styles applying to homepage
added min-height for columns to keep layout from collapsing without content
added accent color to alum profile images
fixed some layout issues with elements having column class unnecessarily
re-wrapped main nav for easier layout
Merge branch 'master' of git://github.com/johnshopkins/machado

Conflicts:
	dist/css/main.css.map
	dist/js/home.js
	dist/js/page.js
	src/theme/templates/layouts/homepage.twig