fix new_app? detection code
fix new_app? detection code

dleavitt/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,DigitalInnovation/heroku-buildpack-mslabs,CPPWind/ruby-buildpack,reesio/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,awebneck/heroku-buildpack-canvas,pkgr/heroku-buildpack-ruby,fcruxen/ruby-buildpack,ltrademark/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,packetmonkey/heroku-buildpack-ruby,beydogan/ruby-buildpack,pkgr/heroku-buildpack-ruby,derrek/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,icelab/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,sky-uk/ruby-buildpack,rhomobile/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,aarongray/heroku-buildpack-ruby,qstream/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,qstream/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,orlando/heroku-buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,cloudn/buildpack-ruby,mattwalters/heroku-buildpack-ruby,Altoros/ruby-buildpack,bskyb-commerce/ruby-buildpack,Jonty/ruby-buildpack,scottatron/moc-buildpack,jumptvs/BP_Ruby,0x00evil/heroku-buildpack-ruby,instacart/heroku-buildpack-ruby,AdStage/heroku-buildpack-ruby,CPPWind/ruby-buildpack,iamjarvo/ruby-buildpack,ndbroadbent/heroku-buildpack-turbo-sprockets,cloudfoundry/ruby-buildpack,DouglasAllen/heroku-buildpack-ruby,fcruxen/ruby-buildpack,mperejda/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,ActiveState/heroku-buildpack-ruby,CPPWind/ruby-buildpack,HYPERHYPER/heroku-buildpack-ruby,electricobjects/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,Jonty/ruby-buildpack,Altoros/ruby-buildpack,crdschurch/heroku-buildpack-ruby,mintybit/heroku-buildpack-ruby,sky-uk/ruby-buildpack,AdStage/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,pietrop/heroku-buildpack-ruby,CPPWind/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,Scalingo/ruby-buildpack,schu/buildpack-testing,cloudfoundry/ruby-buildpack,rhomobile/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,ruby/heroku-buildpack-www-ruby-lang,daltonrenaldo/heroku-buildpack-ruby,space150/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,sanemat/heroku-buildpack-ruby-tachikoma,sky-uk/ruby-buildpack,sanemat/heroku-buildpack-ruby-tachikoma,tenjikinc/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,bskyb-commerce/ruby-buildpack,hatofmonkeys/ruby-testing-buildpack,sanemat/heroku-buildpack-ruby-tachikoma,mattwalters/heroku-buildpack-ruby,Git-Host/prelang-buildpack,catalyzeio/buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,davidjrice/heroku-buildpack-couchbase-ruby,beydogan/ruby-buildpack,hellojustin/heroku-buildpack-custom-ruby,mattmanning/heroku-buildpack-ruby-jekyll,engineyard/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,davidjrice/heroku-buildpack-couchbase-ruby,michaelphines/alexa-nest,ablease/custom-buildpack,Micka33/heroku-buildpack-ruby-liblua,samfrench/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,ablease/custom-buildpack,wakermahmud/heroku-buildpack-jekyll,reesio/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,simonnordberg/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,cloudn/buildpack-ruby,orenyk/heroku-buildpack-ruby,hpcloud/ruby-buildpack,trumaker/heroku-buildpack-turbo-sprockets,musicglue/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,bskyb-commerce/ruby-buildpack,phusion/heroku-buildpack-ruby,michaelphines/alexa-nest,guidance-guarantee-programme/heroku-buildpack-princexml-old,ekaranto/rails4-bluemix-buildpack,brightbytes/heroku-buildpack-ruby-without-assets-precompile,amaltson/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,dlorson/gentle-buildpack,amaltson/heroku-buildpack-ruby,cloudn/buildpack-ruby,righi/instacart-heroku-buildpack,takii/heroku-buildpack-ruby,aarongray/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,cloudControl/buildpack-ruby,gbenedict/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,tenjikinc/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,lyoshenka/heroku-buildpack-ruby-jekyll,fgbreel/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,donnykurnia/heroku-buildpack-ruby,anay/buildpack-ruby-with-oracle-jdk,Altoros/ruby-buildpack,hixi/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,schu/heroku-buildpack-ruby,icelab/heroku-buildpack-ruby,ablease/custom-buildpack,ascot21/heroku-buildpack-turbo-sprockets,rvizza/heroku-buildpack-gsl-ruby,Scalingo/ruby-buildpack,schu/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,hixi/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,zoomer/heroku-buildpack-ruby-bower,redhotvengeance/heroku-buildpack-deep-thought,donnykurnia/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,sstelfox/buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,rowanoulton/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,swipesense/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,ablease/custom-buildpack,hpcloud/heroku-buildpack-ruby,vhx/heroku-buildpack,vhx/heroku-buildpack,ActiveState/heroku-buildpack-ruby,jumptvs/BP_Ruby,gls1/heroku-buildpack-ruby-pdftk,wolfoo2931/heroku-buildpack-ruby-2a352ae,Altoros/ruby-buildpack,hpcloud/ruby-buildpack,leonardykris/mos-ruby-buildpack,travis-ci/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,stefansundin/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,swipesense/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,tomwolfe/heroku-buildpack-gsl-ruby,trumaker/heroku-buildpack-turbo-sprockets,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,cordata/heroku-buildpack-ruby,Git-Host/prelang-buildpack,ilpoldo/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,dtao/teeny-buildpack,sky-uk/ruby-buildpack,hpcloud/ruby-buildpack,Jonty/ruby-buildpack,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,cmaggard/heroku-buildpack-turbo-sprockets,KoanHealth/heroku-buildpack-marvin-setup,makifund/heroku-buildpack-ruby,KoanHealth/heroku-buildpack-marvin-setup,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,bskyb-commerce/help-heroku-buildpack,ChefSteps/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,fcruxen/ruby-buildpack,dtao/deft-buildpack-ruby,dleavitt/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,tomwolfe/heroku-buildpack-gsl-ruby,AdStage/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,hpcloud/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,instacart/heroku-buildpack-ruby,jumptvs/BP_Ruby,ibmdb/db2rubybuildpack,jeremyvdw/heroku-buildpack-ruby-jekyll,ericroberts/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,davidjrice/heroku-buildpack-couchbase-ruby,fgbreel/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,barakav/heroku-buildpack-ruby,sstelfox/buildpack-ruby,ericboehs/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,dtao/teeny-buildpack,guidance-guarantee-programme/heroku-buildpack-princexml-old,lyoshenka/heroku-buildpack-ruby-jekyll,mintybit/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,electricobjects/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,takii/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,samfrench/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,cloudfoundry/ruby-buildpack,tpope/heroku-buildpack-ruby-tpope,anay/buildpack-ruby-with-oracle-jdk,dlorson/gentle-buildpack,mperejda/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,erintherad/heroku-buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,ericboehs/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,jasonlevens/heroku-buildpack-ruby,dtao/deft-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,iamjarvo/ruby-buildpack,jayshreeanand/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,engineyard/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,cordata/heroku-buildpack-ruby,cloudn/buildpack-ruby,codykrieger/heroku-buildpack-jekyll,cloudControl/buildpack-ruby,Jonty/ruby-buildpack,awebneck/heroku-buildpack-canvas,ndbroadbent/heroku-buildpack-turbo-sprockets,brightbytes/heroku-buildpack-ruby-without-assets-precompile,erintherad/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,iamjarvo/ruby-buildpack,moneyadviceservice/heroku-buildpack-ruby-bowndler,wakermahmud/heroku-buildpack-jekyll,hpcloud/ruby-buildpack,orenyk/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,sky-uk/help-heroku-buildpack,ChefSteps/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,codykrieger/heroku-buildpack-jekyll,DouglasAllen/heroku-buildpack-ruby,jumptvs/BP_Ruby,scottatron/moc-buildpack,Micka33/heroku-buildpack-ruby-liblua,pilotcreative/heroku-buildpack-ruby,jeremyvdw/heroku-buildpack-ruby-jekyll,jgable/buildpack-ruby-rack-setup-tasks,takii/db2rubybuildpack,sky-uk/help-heroku-buildpack,d-reinhold/cf-buildpack-ruby,takii/db2rubybuildpack,pilotcreative/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,ekaranto/rails4-bluemix-buildpack,zoomer/heroku-buildpack-ruby-bower,zidekmat/buildpack-ruby,derrek/heroku-buildpack-ruby,jasonlevens/heroku-buildpack-ruby,schu/buildpack-testing,zidekmat/buildpack-ruby,recursecenter/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,space150/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,takii/db2rubybuildpack,jonasoberschweiber/heroku-buildpack-ruby,takii/db2rubybuildpack,andycroll/heroku-buildpack-jekyll,barakav/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,daltonrenaldo/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,recursecenter/heroku-buildpack-ruby,fcruxen/ruby-buildpack,cloudfoundry/ruby-buildpack