Add more metrics around build scripts
Add more metrics around build scripts

heroku/heroku-buildpack-nodejs,heroku/heroku-buildpack-nodejs,apiaryio/heroku-buildpack-nodejs-grunt,heroku/heroku-buildpack-nodejs,Scalingo/nodejs-buildpack,Scalingo/nodejs-buildpack,Scalingo/nodejs-buildpack,heroku/heroku-buildpack-nodejs,Scalingo/nodejs-buildpack,Scalingo/nodejs-buildpack,heroku/heroku-buildpack-nodejs