remove duplicate context factory handling for non-ssl support in http1.0
remove duplicate context factory handling for non-ssl support in http1.0

jdemaeyer/scrapy,yusofm/scrapy,1yvT0s/scrapy,zjuwangg/scrapy,finfish/scrapy,jiezhu2007/scrapy,cyrixhero/scrapy,cyrixhero/scrapy,nikgr95/scrapy,OpenWhere/scrapy,cyberplant/scrapy,yarikoptic/scrapy,hbwzhsh/scrapy,ylcolala/scrapy,rootAvish/scrapy,cursesun/scrapy,yidongliu/scrapy,songfj/scrapy,haiiiiiyun/scrapy,olorz/scrapy,ssh-odoo/scrapy,lacrazyboy/scrapy,kmike/scrapy,kmike/scrapy,fafaman/scrapy,olorz/scrapy,zorojean/scrapy,ashishnerkar1/scrapy,Digenis/scrapy,dracony/scrapy,jc0n/scrapy,fpy171/scrapy,wenyu1001/scrapy,agreen/scrapy,tagatac/scrapy,rahulsharma1991/scrapy,livepy/scrapy,huoxudong125/scrapy,raphaelfruneaux/scrapy,cyberplant/scrapy,Cnfc19932/scrapy,ssh-odoo/scrapy,ssteo/scrapy,godfreyy/scrapy,amboxer21/scrapy,eLRuLL/scrapy,IvanGavran/scrapy,famorted/scrapy,olafdietsche/scrapy,hyrole/scrapy,zhangtao11/scrapy,URXtech/scrapy,eliasdorneles/scrapy,fontenele/scrapy,rahul-c1/scrapy,rolando-contrib/scrapy,URXtech/scrapy,fafaman/scrapy,zorojean/scrapy,bmess/scrapy,rahulsharma1991/scrapy,chekunkov/scrapy,profjrr/scrapy,Timeship/scrapy,curita/scrapy,hbwzhsh/scrapy,livepy/scrapy,z-fork/scrapy,ssh-odoo/scrapy,liyy7/scrapy,heamon7/scrapy,xiao26/scrapy,Allianzcortex/scrapy,kazitanvirahsan/scrapy,pranjalpatil/scrapy,hwsyy/scrapy,elacuesta/scrapy,jorik041/scrapy,rdowinton/scrapy,KublaikhanGeek/scrapy,pranjalpatil/scrapy,zackslash/scrapy,olorz/scrapy,csalazar/scrapy,CodeJuan/scrapy,Slater-Victoroff/scrapy,foromer4/scrapy,dgillis/scrapy,ramiro/scrapy,profjrr/scrapy,crasker/scrapy,coderabhishek/scrapy,kashyap32/scrapy,pombredanne/scrapy,agusc/scrapy,joshlk/scrapy,Digenis/scrapy,jc0n/scrapy,irwinlove/scrapy,kimimj/scrapy,nowopen/scrapy,redapple/scrapy,famorted/scrapy,wujuguang/scrapy,jiezhu2007/scrapy,Preetwinder/scrapy,Geeglee/scrapy,webmakin/scrapy,Bourneer/scrapy,arush0311/scrapy,GregoryVigoTorres/scrapy,ENjOyAbLE1991/scrapy,smaty1/scrapy,eLRuLL/scrapy,dgillis/scrapy,JacobStevenR/scrapy,liyy7/scrapy,rootAvish/scrapy,shaform/scrapy,wenyu1001/scrapy,kashyap32/scrapy,scrapy/scrapy,tagatac/scrapy,darkrho/scrapy-scrapy,crasker/scrapy,agusc/scrapy,irwinlove/scrapy,yarikoptic/scrapy,Allianzcortex/scrapy,sigma-random/scrapy,barraponto/scrapy,nett55/scrapy,starrify/scrapy,JacobStevenR/scrapy,Adai0808/scrapy-1,tliber/scrapy,irwinlove/scrapy,dangra/scrapy,legendtkl/scrapy,jamesblunt/scrapy,tntC4stl3/scrapy,hbwzhsh/scrapy,Parlin-Galanodel/scrapy,cleydson/scrapy,nguyenhongson03/scrapy,olafdietsche/scrapy,agreen/scrapy,kimimj/scrapy,eLRuLL/scrapy,shaform/scrapy,jc0n/scrapy,codebhendi/scrapy,bmess/scrapy,umrashrf/scrapy,dacjames/scrapy,yarikoptic/scrapy,rahul-c1/scrapy,wzyuliyang/scrapy,kmike/scrapy,ArturGaspar/scrapy,Djlavoy/scrapy,eliasdorneles/scrapy,fpy171/scrapy,zhangtao11/scrapy,rolando/scrapy,Chenmxs/scrapy,mlyundin/scrapy,foromer4/scrapy,johnardavies/scrapy,avtoritet/scrapy,snowdream1314/scrapy,Preetwinder/scrapy,mgedmin/scrapy,AaronTao1990/scrapy,agreen/scrapy,KublaikhanGeek/scrapy,smaty1/scrapy,stenskjaer/scrapy,pawelmhm/scrapy,github-account-because-they-want-it/scrapy,YeelerG/scrapy,z-fork/scrapy,kimimj/scrapy,CENDARI/scrapy,pombredanne/scrapy,cleydson/scrapy,ssteo/scrapy,avtoritet/scrapy,godfreyy/scrapy,huoxudong125/scrapy,tliber/scrapy,jeffreyjinfeng/scrapy,finfish/scrapy,kalessin/scrapy,Partoo/scrapy,wujuguang/scrapy,beni55/scrapy,Timeship/scrapy,Bourneer/scrapy,raphaelfruneaux/scrapy,ENjOyAbLE1991/scrapy,webmakin/scrapy,z-fork/scrapy,zorojean/scrapy,stenskjaer/scrapy,johnardavies/scrapy,elijah513/scrapy,joshlk/scrapy,gbirke/scrapy,moraesnicol/scrapy,kalessin/scrapy,hansenDise/scrapy,Bourneer/scrapy,nguyenhongson03/scrapy,csalazar/scrapy,Partoo/scrapy,famorted/scrapy,fafaman/scrapy,arush0311/scrapy,Cnfc19932/scrapy,ArturGaspar/scrapy,kazitanvirahsan/scrapy,Slater-Victoroff/scrapy,godfreyy/scrapy,finfish/scrapy,zjuwangg/scrapy,smaty1/scrapy,rahul-c1/scrapy,nowopen/scrapy,umrashrf/scrapy,nikgr95/scrapy,liyy7/scrapy,darkrho/scrapy-scrapy,ArturGaspar/scrapy,farhan0581/scrapy,lacrazyboy/scrapy,Slater-Victoroff/scrapy,taito/scrapy,nfunato/scrapy,Geeglee/scrapy,yidongliu/scrapy,profjrr/scrapy,elacuesta/scrapy,amboxer21/scrapy,Zephor5/scrapy,cyberplant/scrapy,fontenele/scrapy,dracony/scrapy,starrify/scrapy,lacrazyboy/scrapy,pawelmhm/scrapy,zackslash/scrapy,redapple/scrapy,songfj/scrapy,pfctdayelise/scrapy,fpy171/scrapy,ylcolala/scrapy,dhenyjarasandy/scrapy,kalessin/scrapy,dracony/scrapy,coderabhishek/scrapy,beni55/scrapy,nowopen/scrapy,rolando/scrapy,OpenWhere/scrapy,sardok/scrapy,stenskjaer/scrapy,hectoruelo/scrapy,curita/scrapy,Adai0808/scrapy-1,Parlin-Galanodel/scrapy,bmess/scrapy,devGregA/scrapy,wangjun/scrapy,JacobStevenR/scrapy,YeelerG/scrapy,rootAvish/scrapy,Geeglee/scrapy,Zephor5/scrapy,barraponto/scrapy,nfunato/scrapy,pablohoffman/scrapy,w495/scrapy,beni55/scrapy,starrify/scrapy,cyrixhero/scrapy,umrashrf/scrapy,amboxer21/scrapy,zjuwangg/scrapy,taito/scrapy,nguyenhongson03/scrapy,Ryezhang/scrapy,cursesun/scrapy,Allianzcortex/scrapy,rahulsharma1991/scrapy,xiao26/scrapy,ashishnerkar1/scrapy,Ryezhang/scrapy,Djlavoy/scrap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