update changelog
update changelog

pkgr/heroku-buildpack-ruby,hausdorff/heroku-buildpack-ruby-jekyll,space150/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,jeremyvdw/heroku-buildpack-ruby-jekyll,bskyb-commerce/ruby-buildpack,takii/db2rubybuildpack,0x00evil/heroku-buildpack-ruby,Scalingo/ruby-buildpack,cloudControl/buildpack-ruby,ltrademark/heroku-buildpack-ruby,davidjrice/heroku-buildpack-couchbase-ruby,teodor-pripoae/heroku-buildpack-ruby,lemurheavy/heroku-buildpack-ruby,atmos/heroku-buildpack-ruby,qstream/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,nicholasmott/heroku-buildpack-octopress,zunda/heroku-buildpack-ruby,12spokes/heroku-buildpack-ruby-imagemagick,rhomobile/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,daltonrenaldo/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,mrhenry/heroku-buildpack-ruby,pcincalifornia/wdc-heroku-buildpack-middleman,ascot21/heroku-buildpack-turbo-sprockets,iamjarvo/ruby-buildpack,musicglue/heroku-buildpack-ruby,firmhouse/heroku-buildpack-ruby-freetds,rowanoulton/heroku-buildpack-ruby,atmos/heroku-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,aarongray/heroku-buildpack-ruby,sky-uk/ruby-buildpack,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,nicholasmott/heroku-buildpack-octopress,aarongray/heroku-buildpack-ruby,ActiveState/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,sky-uk/ruby-buildpack,pavgup/heroku-buildpack-ruby-lateslugignore,sky-uk/ruby-buildpack,12spokes/heroku-buildpack-ruby-imagemagick,zoomer/heroku-buildpack-ruby-bower,stolt45/heroku-buildpack-ruby-with-sqlite3,jgarber/heroku-buildpack-ruby-octopress,jgarber/heroku-buildpack-ruby-octopress,ekaranto/rails4-bluemix-buildpack,Altoros/ruby-buildpack,hatofmonkeys/ruby-testing-buildpack,instacart/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,jumptvs/BP_Ruby,orenyk/heroku-buildpack-ruby,ejholmes/heroku-buildpack-middleman,cloudfoundry/ruby-buildpack,meskyanichi/heroku-buildpack-middleman,electricobjects/heroku-buildpack-ruby,sanemat/heroku-buildpack-ruby-tachikoma,andycroll/heroku-buildpack-jekyll,ekaranto/rails4-bluemix-buildpack,hpcloud/heroku-buildpack-ruby,cloudn/buildpack-ruby,Jonty/ruby-buildpack,heroku/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,pavgup/heroku-buildpack-ruby-lateslugignore,dleavitt/heroku-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,DyegoCosta/heroku-buildpack-ruby,jumptvs/BP_Ruby,andycroll/heroku-buildpack-jekyll,sgnpa/heroku-buildpack-cas,thirdprestige/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,gbenedict/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,sanemat/heroku-buildpack-ruby-tachikoma,tomwolfe/heroku-buildpack-gsl-ruby,AdStage/heroku-buildpack-ruby,CPPWind/ruby-buildpack,stefansundin/heroku-buildpack-ruby,tenjikinc/heroku-buildpack-ruby,millie/heroku-buildpack-ruby-with-pdftk,joshco/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,ibmdb/db2rubybuildpack,Altoros/ruby-buildpack,progrium/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,Jonty/ruby-buildpack,barakav/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,icelab/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,jeremyvdw/heroku-buildpack-ruby-jekyll,dieze/heroku-buildpack-ruby-hooks,tomwolfe/heroku-buildpack-gsl-ruby,darron/heroku-buildpack-ruby-jekyll,tpope/heroku-buildpack-ruby-tpope,hatofmonkeys/ruby-testing-buildpack,joshco/heroku-buildpack-ruby,KoanHealth/heroku-buildpack-marvin-setup,ndbroadbent/heroku-buildpack-turbo-sprockets,brightbytes/heroku-buildpack-ruby-without-assets-precompile,erintherad/heroku-buildpack-ruby,cloudControl/buildpack-ruby,dlorson/gentle-buildpack,davidjrice/heroku-buildpack-couchbase-ruby,Jonty/ruby-buildpack,pietrop/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,jglascoe/heroku-buildpack-ruby-jekyll,trumaker/heroku-buildpack-turbo-sprockets,bskyb-commerce/help-heroku-buildpack,hixi/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,darron/heroku-buildpack-ruby-jekyll,ilpoldo/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,jumptvs/BP_Ruby,KoanHealth/heroku-buildpack-marvin-setup,blueapron/heroku-buildpack-ruby,sstelfox/buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,hpcloud/ruby-buildpack,rowanoulton/heroku-buildpack-ruby,progrium/heroku-buildpack-ruby,anay/buildpack-ruby-with-oracle-jdk,nicholasmott/heroku-buildpack-octopress,beydogan/ruby-buildpack,samfrench/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,cordata/heroku-buildpack-ruby,hone/heroku-buildpack-ruby,mintybit/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,jumptvs/BP_Ruby,bwaite-jaroop/heroku-buildpack-ruby,vhx/heroku-buildpack,bskyb-commerce/help-heroku-buildpack,michaelphines/alexa-nest,takii/db2rubybuildpack,anay/buildpack-ruby-with-oracle-jdk,engineyard/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,schu/heroku-buildpack-ruby,jasonlevens/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,schu/buildpack-testing,davidjrice/heroku-buildpack-couchbase-ruby,jayshreeanand/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,rstacruz/heroku-buildpack-middleman,brightbytes/heroku-buildpack-ruby-without-assets-precompile,travis-ci/heroku-buildpack-ruby,awebneck/heroku-buildpack-canvas,qstream/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,ActiveState/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,packetmonkey/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,mattwalters/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,amaltson/heroku-buildpack-ruby,zidekmat/buildpack-ruby,millie/heroku-buildpack-ruby-with-pdftk,hone/heroku-buildpack-ruby,ablease/custom-buildpack,mintybit/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,fgbreel/heroku-buildpack-ruby,instacart/heroku-buildpack-ruby,adaptivelab/heroku-buildpack-adaptivelab-website-2,dieze/heroku-buildpack-ruby-hooks,travis-ci/heroku-buildpack-ruby,lyoshenka/heroku-buildpack-ruby-jekyll,rhomobile/heroku-buildpack-ruby,hpcloud/ruby-buildpack,orlando/heroku-buildpack-ruby,takii/db2rubybuildpack,cloudfoundry/ruby-buildpack,redhotvengeance/heroku-buildpack-deep-thought,dtao/deft-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,wakermahmud/heroku-buildpack-jekyll,jonseaberg/heroku-buildpack-turbo-sprockets,CPPWind/ruby-buildpack,phusion/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,derrek/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,ablease/custom-buildpack,nthj/heroku-buildpack-mirror,thirdprestige/heroku-buildpack-ruby,schu/heroku-buildpack-ruby,ericboehs/heroku-buildpack-ruby,jasonlevens/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,sky-uk/help-heroku-buildpack,ericboehs/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,gls1/heroku-buildpack-ruby-pdftk-new,AdStage/heroku-buildpack-ruby,sgnpa/heroku-buildpack-cas,pkgr/buildpack-ruby-precise-old,Git-Host/prelang-buildpack,erintherad/heroku-buildpack-ruby,swipesense/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,fgbreel/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,electricobjects/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,ruby/heroku-buildpack-www-ruby-lang,ndbroadbent/heroku-buildpack-turbo-sprockets,progrium/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,zidekmat/buildpack-ruby,packetmonkey/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,cloudfoundry/ruby-buildpack,gls1/heroku-buildpack-ruby-pdftk,diasks2/heroku-buildpack-mecab,Numerico/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,adaptivelab/heroku-buildpack-adaptivelab-website-2,takii/heroku-buildpack-ruby,derrek/heroku-buildpack-ruby,hpcloud/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,Git-Host/prelang-buildpack,cordata/heroku-buildpack-ruby,Altoros/ruby-buildpack,bskyb-commerce/ruby-buildpack,cloudn/buildpack-ruby,cloudn/buildpack-ruby,bskyb-commerce/ruby-buildpack,ChefSteps/heroku-buildpack-ruby,sgnpa/heroku-buildpack-cas,samfrench/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,d-reinhold/cf-buildpack-ruby,vhx/heroku-buildpack,jgable/buildpack-ruby-rack-setup-tasks,Numerico/heroku-buildpack-ruby,dtao/teeny-buildpack,recursecenter/heroku-buildpack-ruby,CPPWind/ruby-buildpack,sanemat/heroku-buildpack-ruby-tachikoma,takii/db2rubybuildpack,d-reinhold/cf-buildpack-ruby,CPPWind/ruby-buildpack,fcruxen/ruby-buildpack,hixi/heroku-buildpack-ruby,tenjikinc/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,fcruxen/ruby-buildpack,stolt45/heroku-buildpack-ruby-with-sqlite3,amaltson/heroku-buildpack-ruby,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,schu/buildpack-testing,DigitalInnovation/heroku-buildpack-mslabs,awebneck/heroku-buildpack-canvas,pkgr/heroku-buildpack-ruby,jcamenisch/heroku-buildpack-rgeo,reesio/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,cloudfoundry/ruby-buildpack,pavgup/heroku-buildpack-ruby-lateslugignore,ibmdb/db2rubybuildpack,lemurheavy/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,phusion/heroku-buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,ejholmes/heroku-buildpack-middleman,sstelfox/buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,DouglasAllen/heroku-buildpack-ruby,cloudn/buildpack-ruby,shuber/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,HYPERHYPER/heroku-buildpack-ruby,Jonty/ruby-buildpack,firmhouse/heroku-buildpack-ruby-freetds,musicglue/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,ablease/custom-buildpack,jgarber/heroku-buildpack-ruby-octopress,leonardykris/mos-ruby-buildpack,simonnordberg/heroku-buildpack-ruby,fcruxen/ruby-buildpack,gbenedict/heroku-buildpack-ruby,ablease/custom-buildpack,cloudfoundry/ruby-buildpack,sky-uk/help-heroku-buildpack,Altoros/ruby-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,AdStage/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,dtao/teeny-buildpack,takii/heroku-buildpack-ruby,michaelphines/alexa-nest,cmaggard/heroku-buildpack-turbo-sprockets,scottatron/moc-buildpack,hausdorff/heroku-buildpack-ruby-jekyll,scottatron/moc-buildpack,zunda/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,trumaker/heroku-buildpack-turbo-sprockets,engineyard/heroku-buildpack-ruby,rstacruz/heroku-buildpack-middleman,phusion/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,Scalingo/ruby-buildpack,allomov/fat-free-heroku-buildpack-ruby,DouglasAllen/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,nthj/heroku-buildpack-mirror,0x00evil/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,icelab/heroku-buildpack-ruby,lemurheavy/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,atmos/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,pcincalifornia/wdc-heroku-buildpack-middleman,barakav/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,dtao/deft-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,jglascoe/heroku-buildpack-ruby-jekyll,shuber/heroku-buildpack-ruby,hpcloud/ruby-buildpack,ericroberts/heroku-buildpack-ruby,firmhouse/heroku-buildpack-ruby-freetds,DyegoCosta/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,beydogan/ruby-buildpack,ChefSteps/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,crdschurch/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,jcamenisch/heroku-buildpack-rgeo,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,makifund/heroku-buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,swipesense/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,space150/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,orenyk/heroku-buildpack-ruby,fcruxen/ruby-buildpack,dlorson/gentle-buildpack,hpcloud/ruby-buildpack,makifund/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,thirdprestige/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,lyoshenka/heroku-buildpack-ruby-jekyll,allomov/fat-free-heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,gls1/heroku-buildpack-ruby-pdftk-new,sky-uk/ruby-buildpack,meskyanichi/heroku-buildpack-middleman