Raise error if Gemfile.lock contains conflict markers, closes #2000
Raise error if Gemfile.lock contains conflict markers, closes #2000

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