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
making sure postinstall is being run
build ruby first so  is set
try to use heroku config var
errr try again
grr couldn't make the conditional work