Fixed CSS and js to align slides. Removed inline CSS and made the "add a card" button not visible if you are not logged in.
Fixed and remove some inline CSS. Added font awesome for our icons. Added methods to the slider object for next/prev, first/last, moved the first and last arrows to a more appropriate area.
Added the goToCard method to click through the cards
Merge pull request #21 from Harvard-ATG/feature/slider-controls

Feature/slider controls