bump ruby version
bump ruby version

slamba10/rails_Sahil_Lamba,Server4001/awesome_auctions,ipmobiletech/rails-dev-box,iDreamOn/rails-dev-box,chubbyzz/rails-vagrant,youkyll/rails-dev,slamba10/rails_Sahil_Lamba,t4deu/ruby-dev-box,alexc2684/rails-dev-box,lyosha85/rails-dev-box,tingtingchiang/rorHW,bill-c-martin/rails-app-dev-box,isabelzhang/hw2-sp16,igormartire/rails-proj2,yyyyaaa/cookit,tandemploy/rails-dev-box,oppai/manga-dev-box,tingtingchiang/rorHW,alexc2684/rails-dev-box,Server4001/awesome_auctions,slamba10/rails_Sahil_Lamba,slamba10/rails_Sahil_Lamba,igorsamado/rails-dev-box,youkyll/rails-dev,dannyvassallo/rails-middleman-vagrant,yahonda/rails-dev-box,yyyyaaa/cookit,isabelzhang/hw2-sp16,cyberid41/rails-dev-box,danielalvarenga/rails-dev-box,igormartire/rails-proj2,mba811/rails-dev-box,yyyyaaa/cookit,rails-decal/rails-dev-box,miguelff/rails-dev-box,howardbonds/first-app,Server4001/awesome_auctions,igormartire/rails-proj2,41studio/rails-dev-box,alexc2684/rails-dev-box,tingtingchiang/rorHW,andela-iokonkwo/rails-dev-box,alexc2684/rails-dev-box,howardbonds/first-app,howardbonds/first-app,neli2/amag-app,youkyll/rails-dev,tingtingchiang/rorHW,lintangarief/rails-dev-box,neli2/amag-app,igormartire/rails-proj2,Server4001/awesome_auctions,neli2/amag-app,oyuk/rails-dev-box,isabelzhang/hw2-sp16,neli2/amag-app,diguage/rails-dev-box,padioca/dev-box,rails/rails-dev-box,chubbyzz/rails-vagrant,yyyyaaa/cookit,william-c-martin-iii/rails-app-dev-box,isabelzhang/hw2-sp16,jgherder/rails-dev-box,totzyuta/rails-dev-box,youkyll/rails-dev