use rake 10 in specs to fix warnings
use rake 10 in specs to fix warnings

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