recomplie for gh-pages
messy checkin
Revert "messy checkin"

This reverts commit 50c04e574d4841790a8fa4e31e9dcc1d501807bf.
implement draganddrop from https://medium.com/delightful-ui-for-ember-apps/ember-js-and-html5-drag-and-drop-fa5dfe478a9a and setup scss