use npm 1.3.x by default
use npm 1.3.x by default

cnbin/heroku-buildpack-nodejs-grunt,sky-uk/heroku-buildpack-nodejs-grunt-compass,nikhil-bhandari/heroku-buildpack-nodejs-grunt-compass,tastemade/heroku-buildpack-nodejs-grunt-compass,greenapes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,neoskop/heroku-buildpack-nodejs-grunt-compass,stephanmelzer/heroku-buildpack-nodejs-grunt-compass,themgt/buildpack-nodejs-grunt-bourbon,lemondemon/heroku-buildpack-nodejs-grunt-compass,meenie/heroku-buildpack-nodejs-grunt-bower,kfiroo/heroku-buildpack-nodejs-grunt-compass,gtothesquare/heroku-buildpack-nodejs-grunt,tastemade/heroku-buildpack-nodejs-grunt-compass,mpirik/heroku-buildpack-nodejs-grunt-compass,mbuchetics/heroku-buildpack-nodejs-grunt,ajspera/heroku-buildpack-nodejs-grunt-compass,soswow/heroku-buildpack-nodejs-grunt-compass,bpartridge83/heroku-buildpack-nodejs-grunt-gulp-bower,soswow/heroku-buildpack-nodejs-grunt-compass,danielgranat/heroku-buildpack-nodejs-grunt,AdmanStrong/heroku-buildpack-nodejs-grunt-compass,rmisio/heroku-buildpack-nodejs-grunt-compass-bower,Ensequence/heroku-buildpack-yo-angular,themgt/buildpack-nodejs-grunt-bourbon,glebm/heroku-buildpack-nodejs-grunt-sass,bpartridge83/heroku-buildpack-nodejs-grunt-gulp-bower,Scratch-it/heroku-buildpack-nodejs-grunt-compass,tjmehta/heroku-buildpack-nodejs-grunt-compass,TechRelease/cf-buildpack-nodejs,devakone/heroku-buildpack-nodejs-grunt-compass,sibeliusseraphini/heroku-buildpack-nodejs-bower-grunt,objectpartners/heroku-buildpack-nodejs-grunt,jasonswett/heroku-buildpack-nodejs-grunt-compass,willow-codes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,tinganho/heroku-buildpack,gvelo/heroku-buildpack-nodejs-grunt,davious/heroku-buildpack-nodejs-grunt-compass,meenie/heroku-buildpack-nodejs-grunt-bower,fbaraujo/heroku-buildpack-yo-angular,glebm/heroku-buildpack-nodejs-grunt-sass,therewasaguy/heroku-buildpack-nodejs-grunt-compass,stephanmelzer/heroku-buildpack-nodejs-grunt-compass,meenie/heroku-buildpack-nodejs-grunt-bower,greenapes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,artch/heroku-buildpack-nodejs-bower-gulp-grunt-compass,twilson63/custom-buildpack-nodejs-cloud-foundry,nknj/heroku-buildpack-yo-angular,rainum/heroku-buildpack-nodejs-grunt-compass,twilson63/custom-buildpack-nodejs-cups,KamranAsif/heroku-buildpack-nodejs-bower-grunt,cinghiale/heroku-buildpack-nodejs-grunt-compass,Crotery/heroku-buildpack-nodejs-grunt-compass,themgt/buildpack-nodejs-grunt-bourbon,vjm/heroku-buildpack-nodejs-grunt-compass,imothee/heroku-buildpack-nodejs-grunt,denisvlr/heroku-buildpack-nodejs-grunt-compass,dvdwasibi/heroku-buildpack-nodejs-grunt-sass,TechRelease/cf-buildpack-nodejs