use correct tar_download signature
use correct tar_download signature

shinji62/nodejs-buildpack,heroku/heroku-buildpack-nodejs,heroku/heroku-buildpack-nodejs,Stibbons/heroku-buildpack-nodejs,cloudfoundry/nodejs-buildpack,dam4222/heroku-buildpack-nodejs-gulp,tastemade/heroku-buildpack-nodejs-gulp,simonjjones/snowedjs_buildpack,pivotal-topher-bullock/lamby-js-buildpack,elasticio/elasticio-buildpack-nodejs-original,comlanio/nodejs-buildpack,appstack/heroku-buildpack-nodejs-gulp,TechRelease/cf-buildpack-nodejs,effinggames/heroku-buildpack-nodejs-bower-gulp,Scalingo/nodejs-buildpack,sky-uk/heroku-buildpack-nodejs-grunt-compass,WeConnect/heroku-buildpack-nodejs-grunt-compass,dhcole/nodejs-buildpack,Jell-E/heroku-buildpack-nodejs-rust,mikeyoon/heroku-buildpack-nodejs,Grahahax/nodejs-buildpack,AdmanStrong/heroku-buildpack-nodejs-grunt-compass,chrisfelix82/heruku-buildpack-ffmpeg-nodejs,tfynes-pivotal/nodejs-buildpack,uonline/heroku-buildpack,leourbina/heroku-buildpack-nodejs-gulp-sass,nikhil-bhandari/heroku-buildpack-nodejs-grunt-compass,triceam/nodejs-buildpack,stevenrigby/heroku-buildpack-nodejs,robgraeber/heroku-buildpack-nodejs-gulp,gmaclennan/dokku-superstatic,bellhops/heroku-buildpack-nodejs,oocl-ncc-itm/nodejs-buildpack,ArthurHlt/nodejs-buildpack,shedd/heroku-buildpack-nodejs,caiorogerio/heroku-buildpack-grunt,mmgm/nodejs-buildpack,gtothesquare/heroku-buildpack-nodejs-grunt,andrewbranch/heroku-buildpack-nodejs-ember,dhcole/nodejs-buildpack,pkumar-appd/nodejs-buildpack,jthomas/nodejs-v4-buildpack,ericf89/heroku-buildpack-nodejs-gulp-haml-sass-compass,Crotery/heroku-buildpack-nodejs-grunt-compass,jthomas/nodejs-v4-buildpack,totapari/heroku-buildpack-nodejs,stevenrigby/heroku-buildpack-nodejs,ArthurHlt/nodejs-buildpack,KamranAsif/heroku-buildpack-nodejs-bower-grunt,ankparik/nodejs-buildpack,Vestride/heroku-buildpack-nodejs-bower-depth,carouselapps/heroku-buildpack-nodejs,TJM/heroku-buildpack-nodejs,ollisal/heroku-buildpack-nodejs,ks2software/nodejs-buildpack,pkumar-appd/nodejs-buildpack,cloudfoundry/nodejs-buildpack,robgraeber/heroku-buildpack-nodejs-bower-gulp,kirs/heroku-buildpack-nodejs,raghuveerthummeti/nodejs-buildpack,denisvlr/heroku-buildpack-nodejs-grunt-compass,ks2software/nodejs-buildpack,cnbin/heroku-buildpack-nodejs-grunt,vjm/heroku-buildpack-nodejs-grunt-compass,raghuveerthummeti/nodejs-buildpack,aheissenberger/cloudcontrol-buildpack-meteor,adrianhuna/heroku-buildpack-nodejs-gulp-bower,Vincit/heroku-buildpack-nodejs,Azema/DeployGitNodejs,kauffecup/nodejs-buildpack,pkumar-appd/nodejs-buildpack,shoetomydixi/node_sigma_zapp_buildpack,201-created/heroku-buildpack-nodejs,jasonswett/heroku-buildpack-nodejs-grunt-compass,gabegorelick/fracas-buildpack,robgraeber/heroku-buildpack-nodejs,The18thWarrior/ethereum-buildpack,NSWIDER/nodejs-oracle-buildpack,The18thWarrior/ethereum-buildpack,tfynes-pivotal/nodejs-buildpack,sailrish/heroku-buildpack-coffee,soswow/heroku-buildpack-nodejs-grunt-compass,elais/heroku-buildpack-nodejs,mpirik/heroku-buildpack-nodejs-grunt-compass,fcruxen/heroku-buildpack-nodejs,stephanmelzer/heroku-buildpack-nodejs-grunt-compass,fbaraujo/heroku-buildpack-yo-angular,cesarandreu/heroku-buildpack-nodejs,timdp/heroku-buildpack-nodejs-gulp,ankparik/nodejs-buildpack,kudos/heroku-buildpack-nodejs-jspm,Amandeepsinghghai/heroku-buildpack-nodejs,justinwalsh/heroku-buildpack-nodejs,mbuchetics/heroku-buildpack-nodejs-grunt,ks2software/nodejs-buildpack,MarkusMattinen/heroku-buildpack-nodejs,yookoala/heroku-buildpack-nodejs,triceam/nodejs-buildpack,tfynes-pivotal/nodejs-buildpack,thoughtbot/heroku-buildpack-nodejs,kauffecup/nodejs-buildpack,NSWIDER/nodejs-oracle-buildpack,imothee/heroku-buildpack-nodejs-grunt,cinghiale/heroku-buildpack-nodejs-grunt-compass,cheeyeo/heroku-buildpack-nodejs,NSWIDER/nodejs-oracle-buildpack,tjmehta/heroku-buildpack-nodejs-grunt-compass,Jonatasmz/heroku-buildpack-nodejs,stephanmelzer/heroku-buildpack-nodejs-grunt-compass,heroku/heroku-buildpack-nodejs,ShreyasWao/heroku-buildpack-nodejs,simonjjones/snowedjs_buildpack,crawsible/nodejs-buildpack,edgahan/heroku-buildpack-nodejs,chloeandisabel/heroku-buildpack-nodejs-gulp,StitchedCode/heroku-buildpack-nodejs-bower-gulp,triceam/nodejs-buildpack,yaditya/heroku-buildpack-nodejs-gulp-haml-sass-compass,guilleva/heroku-buildpack-nodejs,nknj/heroku-buildpack-yo-angular,Ensequence/heroku-buildpack-yo-angular,karthikeyabhaghavatula/nodejs_buildpack,dvdwasibi/heroku-buildpack-nodejs-grunt-sass,antecursor/heroku-buildpack-nodejs-gulp,Ferrari/heroku-buildpack-nodejs,hpcloud/nodejs-buildpack,GoeGaming/heroku-buildpack-nodejs,TheHealthPros/heroku-buildpack-nodejs,AnyPresence/heroku-buildpack-nodejs,mrc535s/wkhtmltopdfbp,brunoleite/heroku-buildpack-nodejs-jspm,Grahahax/nodejs-buildpack,kevinSuttle/heroku-buildpack-nodejs,glawson6/heroku-buildpack-nodejs,gfguthrie/heroku-buildpack-bower-grunt,celerityweb/heroku-buildpack-nodejs-gulp,CandisIO/heroku-buildpack-node,ks2software/nodejs-buildpack,shinji62/nodejs-buildpack,rainum/heroku-buildpack-nodejs-grunt-compass,roder/nodejs-buildpack,therewasaguy/heroku-buildpack-nodejs-grunt-compass,heroku/heroku-buildpack-nodejs,devakone/heroku-buildpack-nodejs-grunt-compass,ks2software/nodejs-buildpack,twilson63/custom-buildpack-nodejs-cloud-foundry,Stylitics/heroku-buildpack-nodejs,raghuveerthummeti/nodejs-buildpack,davidmfoley/heroku-buildpack-nodejs-gulp-bower,Scratch-it/heroku-buildpack-nodejs-grunt-compass,JProgrammer/heroku-buildpack-nodejs,bionikspoon/heroku-buildpack-nodejs,TechRelease/cf-buildpack-nodejs,marnold6/nodejs_buildpack,bpartridge83/heroku-buildpack-nodejs-grunt-gulp-bower,Azema/DeployGitNodejs,ks2software/nodejs-buildpack,glebm/heroku-buildpack-nodejs-grunt-sass,aihaddad/heroku-buildpack-nodejs-gulp,nemesiscodex/heroku-buildpack-nodejs,oocl-ncc-itm/nodejs-buildpack,aarongray/heroku-buildpack-nodejs-gulp-bower,sailrish/heroku-buildpack-nodejs,circuithub/heroku-buildpack-nodejs-new,jrhite/heroku-buildpack-skippydoo,greenapes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,bagelswitch/buildpack-nodejs,cloudfoundry/nodejs-buildpack,Scalingo/nodejs-buildpack,gvelo/heroku-buildpack-nodejs-grunt,JasonZigelbaum/heroku-buildpack-nodejs,marnold6/nodejs_buildpack,caiorogerio/heroku-buildpack-grunt,dhcole/nodejs-buildpack,roder/nodejs-buildpack,karthikeyabhaghavatula/nodejs_buildpack,fedosov/heroku-buildpack-nodejs-gulp-bower,shinji62/nodejs-buildpack,danielgranat/heroku-buildpack-nodejs-grunt,sibeliusseraphini/heroku-buildpack-nodejs-bower-grunt,Scalingo/nodejs-buildpack,lemondemon/heroku-buildpack-nodejs-grunt-compass,simonjjones/snowedjs_buildpack,willow-codes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,201-created/heroku-buildpack-nodejs,mrc535s/wkhtmltopdfbp,jasonswett/fv-heroku-buildpack-nodejs-gulp-bower,rtomlinson/cf-node-buildpack,kauffecup/nodejs-buildpack,aquicore/heroku-buildpack-nodejs-gulp,diegobent/heroku-buildpack-nodejs,objectpartners/heroku-buildpack-nodejs-grunt,djng/heroku-buildpack-webapp-client,marnold6/nodejs_buildpack,jasonswett/heroku-buildpack-nodejs-gulp-bower,cloudfoundry/nodejs-buildpack,djng/heroku-buildpack-webapp-client,nikhil-bhandari/ng-cli-buildpack,teodor-pripoae/heroku-buildpack-nodejs-gulp,bionikspoon/annotation-tool-heroku-buildpack-nodejs,tobobo/heroku-buildpack-ember,comlanio/nodejs-buildpack,karthikeyabhaghavatula/nodejs_buildpack,ks2software/nodejs-buildpack,salesforceidentity/heroku-buildpack-nodejs-jdk8,bagelswitch/buildpack-nodejs,pivotal-topher-bullock/lamby-js-buildpack,twilson63/custom-buildpack-nodejs-cups,dshafer/heroku-buildpack-nodejs,ctrlaltdel121/heroku-buildpack-nodejs,jasonswett/heroku-buildpack-nodejs-gulp,crawsible/nodejs-buildpack,mmgm/nodejs-buildpack,piglovesyou/heroku-buildpack-nodejs,ollisal/heroku-buildpack-nodejs,circuithub/heroku-buildpack-nodejs-new,kevinSuttle/heroku-buildpack-nodejs,JProgrammer/heroku-buildpack-nodejs,leourbina/heroku-buildpack-nodejs-gulp-sass,Hylozoic/heroku-buildpack-nodejs-babel,rmisio/heroku-buildpack-nodejs-grunt-compass-bower,mergermarket/heroku-buildpack-nodejs,jrhite/heroku-buildpack-kwotefu,artch/heroku-buildpack-nodejs-bower-gulp-grunt-compass,bagelswitch/buildpack-nodejs,Scalingo/nodejs-buildpack,dickeyxxx/heroku-buildpack-nodejs,tinganho/heroku-buildpack,ArthurHlt/nodejs-buildpack,rtomlinson/cf-node-buildpack,tweettypography/heroku-buildpack-nodejs,tastemade/heroku-buildpack-nodejs-grunt-compass,jthomas/nodejs-v4-buildpack,goodeggs/heroku-buildpack-nodejs,vladikoff/heroku-buildpack-fxa,tobobo/heroku-buildpack-ember,davious/heroku-buildpack-nodejs-grunt-compass,REscour/heroku-buildpack-nodejs-gulp-bower-sass,digitalfibr/heroku-buildpack-nodejs,caiorogerio/heroku-buildpack-grunt,cloudControl/buildpack-nodejs,greenapes/heroku-buildpack-nodejs-bower-gulp-grunt-compass,Grahahax/nodejs-buildpack,tastemade/heroku-buildpack-nodejs-grunt-compass,JProgrammer/heroku-buildpack-nodejs,roder/nodejs-buildpack,ShakrMedia/heroku-buildpack-nodejs,shuber/heroku-buildpack-nodejs,msuonp/heroku-buildpack-nodejs,mrc535s/wkhtmltopdfbp,krry/heroku-buildpack-nodejs-gulp-bower,tomfa/heroku-buildpack-nodejs,heroku/heroku-buildpack-nodejs,hpcloud/nodejs-buildpack,ajspera/heroku-buildpack-nodejs-grunt-compass,comlanio/nodejs-buildpack,pivotal-topher-bullock/lamby-js-buildpack,tamdao/heroku-buildpack-nodejs,neoskop/heroku-buildpack-nodejs-grunt-compass,apiaryio/heroku-buildpack-nodejs-grunt,CloudSide/heroku-buildpack-nodejs,ankparik/nodejs-buildpack,glebm/heroku-buildpack-nodejs-grunt-sass,realtymaps/heroku-buildpack-assets,Scalingo/nodejs-buildpack,kfiroo/heroku-buildpack-nodejs-grunt-compass,bpartridge83/heroku-buildpack-nodejs-grunt-gulp-bower,davidmfoley/heroku-buildpack-nodejs-gulp-bower,crawsible/nodejs-buildpack,soswow/heroku-buildpack-nodejs-grunt-compass,rtomlinson/cf-node-buildpack,oocl-ncc-itm/nodejs-buildpack,appstack/heroku-buildpack-nodejs-gulp,newyorkdata/heroku-buildpack-nodejs-gulp,mmgm/nodejs-buildpack,djng/heroku-buildpack-webapp-client,hpcloud/nodejs-buildpack,gmaclennan/dokku-superstatic,gabegorelick/fracas-buildpack,alexlafroscia/giteasy-buildpack,kyleturco/heroku-buildpack-nodejs-gulp