Added rbx-2.0 to the Travis test matrix 
Added rbx-2.0 to the Travis test matrix 
chulkilee/bundler,cstrahan/bundler,neslom/bundler,jingweno/bundler,Teino1978-Corp/Teino1978-Corp-bundler,elovelan/bundler,sideci-sample/sideci-sample-bundler,mattbrictson/bundler-1,PG-kura/bundler,roseweixel/bundler,schaary/bundler,ligi/bundler,jingweno/bundler,wenderjean/bundler,bundler/bundler,bundler/bundler,seanlinsley/bundler,philnash/bundler,pjump/bundler,byroot/bundler,EasonYi/bundler,gentoo/bundler,smlance/bundler,jaym/bundler,Eric-Guo/bundler,steved/bundler,ipmobiletech/bundler,1337807/bundler,frsyuki/bundler,anil826/bundler,Elffers/bundler,mvz/bundler,bronzdoc/bundler,joshsoftware/bundler,mdorrance/bundler,dilumnavanjana/bundler,neslom/bundler,Wirachmat/bundler,ximus/bundler,chef/bundler,EasonYi/bundler,nju520/bundler,danimashu/bundler,haonature888/bundler,zhangkuaiji/bundler,carpodaster/bundler,suhastech/bundler,davydovanton/bundler,roseweixel/bundler,mdorrance/bundler,Eric-Guo/bundler,mpapis/bundler,simplybusiness/bundler,kohgpat/bundler,ipmobiletech/bundler,joshsoftware/bundler,pivotal-cf-experimental/bundler,gregkare/bundler,simplybusiness/bundler,TimMoore/bundler,christer155/bundler,christer155/bundler,Teino1978-Corp/Teino1978-Corp-bundler,EthanK28/bundler,CorainChicago/bundler,e2/bundler,byroot/bundler,masarakki/bundler,r7kamura/bundler,smlance/bundler,mvz/bundler,h4ck3rm1k3/bundler,jasonkarns/bundler,seanlinsley/bundler,mpapis/bundler,lmtim/bundler,danimashu/bundler,haonature/bundler,frsyuki/bundler,h4ck3rm1k3/bundler,ngpestelos/bundler,RochesterinNYC/bundler,ximus/bundler,anil826/bundler,patvice/bundler,asutoshpalai/bundler,steved/bundler,asutoshpalai/bundler,rkh/bundler,tgxworld/bundler,jaym/bundler,suhastech/bundler,pivotal-cf-experimental/bundler,chef/bundler,twcctz500000/bundler,nju520/bundler,Wirachmat/bundler,patvice/bundler,zhangkuaiji/bundler,lmtim/bundler,AiyionPrime/bundler,robinboening/bundler,philnash/bundler,chulkilee/bundler,sideci-sample/sideci-sample-bundler,carpodaster/bundler,jasonkarns/bundler,elovelan/bundler,cstrahan/bundler,pjump/bundler,AiyionPrime/bundler,PG-kura/bundler,haonaturel/bundler,asymmetric/bundler,ligi/bundler,bronzdoc/bundler,eagletmt/bundler,Elffers/bundler,mattbrictson/bundler-1,cdwort/bundler,asymmetric/bundler,robinboening/bundler,kohgpat/bundler,tgxworld/bundler,CorainChicago/bundler,cdwort/bundler,ngpestelos/bundler,wenderjean/bundler,dilumnavanjana/bundler,vemmaverve/bundler,haocafes/bundler,agis-/bundler,agis-/bundler,gregkare/bundler,TimMoore/bundler,EthanK28/bundler,JuanitoFatas/bundler,masarakki/bundler,davydovanton/bundler,schaary/bundler,RochesterinNYC/bundler