remove setting config vars in release
remove setting config vars in release

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