added the new landing page at /welcome
added push and pull classes for the grid
finished styling the landing page
update compiled css
updated routing of landing pages, now found at /welcome/<campaign>
added second advance page with bullets, changed list styles and added info to footer
changed /welcome to /landing, and changed advance to webdev
merge in master; conflicts only in cached pages
reset cached css files
add new landing_pages app at /a
undo changes to splash app now that everything is in new landing_pages app