remove poplus conference banner
remove poplus conference content
remove poplus conference from navigation
remove conference specific CSS
Remove conference specific CSS
add new join call to action
correct indentation
add class to <body> on homepage
fix bug with overflowing white space below footer on homepage
Revert "remove poplus conference content"

This reverts commit 8d0ad2a57cf83403dcf059c72a80d7a917196ef8.
add some conference content and styles back
resolved conflict
style new homepage message, add blank link
added and styled join committee message on join page
set up navigation for temporary site changes
rewrite about page for post-conference update
readded masonry - not sure why it was removed?
change link to /about
Finish styling about page
added new 'what is a component' page