Refactor card rendering: break out fundraisers, repos, issues into their own .js and .rabl. Merge project cards from project_cards_44234033
Have backend generate embeddable HTML+CSS for fundraisers: copy behavior of fundraisers/card.js; factor out & tidy card CSS into cards.css; add fundraisers/embed controller
Use per-env URL for iframe
Make embed routes consistent
Remove debug
Tweak dimensions of iframe to zap scrollbars on win7/chrome
Refactoranimate issue/bounty cards back in and make endless scroll work again.
Merge branch 'embeddable_cards_43600441'