added d3.json for JFK in scripts.js, edited flights controller (edited EWR json dump method name; added jfk json dump), added jfk dump link to jfk json route, edited rake file.  the rake file is not complete, still needs editing.
Merge branch 'master' of https://github.com/whyu/wdi_project_2 into development
updated load page and add js files for airports
updated layout
conflict resolution
merge routes
merge conflicts