update changelog for 1.3.0.pre.2
update changelog for 1.3.0.pre.2

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