Foundation 5 JS debugging

Summary: This diff is for JS debugging only. The HTML and Sass are in progress.

Test Plan:
* reference upgrade url - http://foundation.zurb.com/docs/upgrading.html

* review Javascript loading via require.js

* debug console errors

* remove migrate script when Javascript migration is confirmed

Reviewers: seth, rjmackay

Reviewed By: seth

Subscribers: eyedol

Maniphest Tasks: T174

Differential Revision: https://phabricator.ushahidi.com/D50