Fixed #2833 issue with Bundler resolver
Fixed #2833 issue with Bundler resolver

Instead of traversing existing and current tree
one after another in case of a conflict, it's more
effecient and correct to traverse both the trees at
the same time as travsing a wrong tree can lead to
unresolved conflicts.

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