fallback on ruby 1.9.2 if it's not a new app
fallback on ruby 1.9.2 if it's not a new app

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