use Ember App Kit for initial scaffolding

* brought in Ember App Kit
* built basic player for Youtube and Soundcloud
update readme
add song model. WIP on song create flow
add vagrant for dev box. add empty rails app that can be deployed to heroku
update README
got rails dev env to play nicely with ember-app-kit
try out heroku-buildpack-multi
add package.json for node buildpack
add bower to deps
whoops. fix up package.json
disable rails asset pipeline
empty out application.js so nothing gets compiled
try removing all rails assets
try adding post_compile hook
move grunt-cli into prod dependencies. try running grunt dist
try a different task name
try to get postinstall working
dist, not build:dist
add asset path to prod env
move postinstall into its own file. try to fix prod assets