build basic homepage structure and stylings
many tweaks, add bg image
change the body padding to a spacer div
fix navbar and body rendering
Merge branch 'master' into homepage-redesign-2
add or include icons for course list
add icons and images for home page (rough draft) and edit existing images for blur and size
update roadmap and footer switch to dots dividing links
many tweaks to home page stylings
add patterns and more final tweakings to home page
spacing of footer reduction and corresponding reactions from lesson and course containers
color tweaks on the navbar and background
set titles dynamically
alter devise signup and signin flows to provide handles for GA to track goals on
tweak the signup flows to go to /courses not /curriculum to preserve the GET params
add the now-missing footer padding back onto devise forms
add mailer host for tests
update roadmap
fix bug with login/logout links on homepage
clean out old home page file