add benchmarking to 0.18 release notes
add benchmarking to 0.18 release notes

redapple/scrapy,codebhendi/scrapy,mlyundin/scrapy,bmess/scrapy,hyrole/scrapy,livepy/scrapy,chekunkov/scrapy,Digenis/scrapy,dangra/scrapy,umrashrf/scrapy,pfctdayelise/scrapy,ssh-odoo/scrapy,famorted/scrapy,olafdietsche/scrapy,scrapy/scrapy,rklabs/scrapy,jiezhu2007/scrapy,Ryezhang/scrapy,rdowinton/scrapy,fontenele/scrapy,hansenDise/scrapy,tagatac/scrapy,olafdietsche/scrapy,mgedmin/scrapy,JacobStevenR/scrapy,kalessin/scrapy,redapple/scrapy,aivarsk/scrapy,tntC4stl3/scrapy,hwsyy/scrapy,sardok/scrapy,devGregA/scrapy,Allianzcortex/scrapy,github-account-because-they-want-it/scrapy,nett55/scrapy,jeffreyjinfeng/scrapy,profjrr/scrapy,mlyundin/scrapy,ArturGaspar/scrapy,Geeglee/scrapy,Parlin-Galanodel/scrapy,dgillis/scrapy,eLRuLL/scrapy,kashyap32/scrapy,shaform/scrapy,fafaman/scrapy,tliber/scrapy,crasker/scrapy,ssh-odoo/scrapy,wzyuliyang/scrapy,huoxudong125/scrapy,Digenis/scrapy,barraponto/scrapy,zhangtao11/scrapy,rahul-c1/scrapy,AaronTao1990/scrapy,Adai0808/scrapy-1,Chenmxs/scrapy,coderabhishek/scrapy,Djlavoy/scrapy,kmike/scrapy,Lucifer-Kim/scrapy,scorphus/scrapy,johnardavies/scrapy,cyberplant/scrapy,zorojean/scrapy,nikgr95/scrapy,xiao26/scrapy,dacjames/scrapy,dgillis/scrapy,zjuwangg/scrapy,tliber/scrapy,raphaelfruneaux/scrapy,Bourneer/scrapy,gbirke/scrapy,olorz/scrapy,legendtkl/scrapy,kalessin/scrapy,wangjun/scrapy,redapple/scrapy,Slater-Victoroff/scrapy,xiao26/scrapy,JacobStevenR/scrapy,wujuguang/scrapy,arush0311/scrapy,shaform/scrapy,darkrho/scrapy-scrapy,pawelmhm/scrapy,rolando/scrapy,huoxudong125/scrapy,IvanGavran/scrapy,kalessin/scrapy,bmess/scrapy,wenyu1001/scrapy,wangjun/scrapy,starrify/scrapy,URXtech/scrapy,rahulsharma1991/scrapy,CENDARI/scrapy,elijah513/scrapy,ramiro/scrapy,songfj/scrapy,TarasRudnyk/scrapy,coderabhishek/scrapy,Partoo/scrapy,lacrazyboy/scrapy,AaronTao1990/scrapy,wujuguang/scrapy,dangra/scrapy,ENjOyAbLE1991/scrapy,Preetwinder/scrapy,pfctdayelise/scrapy,agusc/scrapy,Bourneer/scrapy,hwsyy/scrapy,KublaikhanGeek/scrapy,z-fork/scrapy,OpenWhere/scrapy,WilliamKinaan/scrapy,Adai0808/scrapy-1,nowopen/scrapy,cleydson/scrapy,CodeJuan/scrapy,jc0n/scrapy,johnardavies/scrapy,dracony/scrapy,dhenyjarasandy/scrapy,rolando/scrapy,jiezhu2007/scrapy,irwinlove/scrapy,webmakin/scrapy,eliasdorneles/scrapy,joshlk/scrapy,hansenDise/scrapy,smaty1/scrapy,zhangtao11/scrapy,yarikoptic/scrapy,jc0n/scrapy,codebhendi/scrapy,pombredanne/scrapy,cyrixhero/scrapy,kimimj/scrapy,jorik041/scrapy,ssteo/scrapy,pablohoffman/scrapy,Cnfc19932/scrapy,z-fork/scrapy,curita/scrapy,webmakin/scrapy,dacjames/scrapy,scorphus/scrapy,Geeglee/scrapy,GregoryVigoTorres/scrapy,hansenDise/scrapy,irwinlove/scrapy,moraesnicol/scrapy,pawelmhm/scrapy,haiiiiiyun/scrapy,ylcolala/scrapy,taito/scrapy,dacjames/scrapy,Djlavoy/scrapy,snowdream1314/scrapy,hbwzhsh/scrapy,cleydson/scrapy,smaty1/scrapy,ramiro/scrapy,yidongliu/scrapy,foromer4/scrapy,irwinlove/scrapy,chekunkov/scrapy,rdowinton/scrapy,wujuguang/scrapy,hbwzhsh/scrapy,nikgr95/scrapy,scrapy/scrapy,eLRuLL/scrapy,Chenmxs/scrapy,tliber/scrapy,olorz/scrapy,carlosp420/scrapy,Geeglee/scrapy,Lucifer-Kim/scrapy,fpy171/scrapy,gbirke/scrapy,nett55/scrapy,moraesnicol/scrapy,rahulsharma1991/scrapy,dhenyjarasandy/scrapy,legendtkl/scrapy,Timeship/scrapy,rolando-contrib/scrapy,jorik041/scrapy,codebhendi/scrapy,dangra/scrapy,raphaelfruneaux/scrapy,profjrr/scrapy,w495/scrapy,yusofm/scrapy,ArturGaspar/scrapy,eLRuLL/scrapy,GregoryVigoTorres/scrapy,jamesblunt/scrapy,curita/scrapy,github-account-because-they-want-it/scrapy,coderabhishek/scrapy,joshlk/scrapy,scorphus/scrapy,amboxer21/scrapy,finfish/scrapy,csalazar/scrapy,elacuesta/scrapy,ssteo/scrapy,carlosp420/scrapy,yidongliu/scrapy,xiao26/scrapy,rolando-contrib/scrapy,profjrr/scrapy,arush0311/scrapy,ssteo/scrapy,darkrho/scrapy-scrapy,Allianzcortex/scrapy,agreen/scrapy,cleydson/scrapy,farhan0581/scrapy,agreen/scrapy,agreen/scrapy,nfunato/scrapy,Zephor5/scrapy,github-account-because-they-want-it/scrapy,liyy7/scrapy,heamon7/scrapy,URXtech/scrapy,legendtkl/scrapy,amboxer21/scrapy,fpy171/scrapy,tagatac/scrapy,rolando-contrib/scrapy,Slater-Victoroff/scrapy,rklabs/scrapy,ramiro/scrapy,finfish/scrapy,rootAvish/scrapy,liyy7/scrapy,songfj/scrapy,rootAvish/scrapy,zorojean/scrapy,Adai0808/scrapy-1,sigma-random/scrapy,dhenyjarasandy/scrapy,pombredanne/scrapy,stenskjaer/scrapy,famorted/scrapy,farhan0581/scrapy,GregoryVigoTorres/scrapy,1yvT0s/scrapy,nguyenhongson03/scrapy,Partoo/scrapy,bmess/scrapy,heamon7/scrapy,olorz/scrapy,ENjOyAbLE1991/scrapy,godfreyy/scrapy,w495/scrapy,snowdream1314/scrapy,tagatac/scrapy,hbwzhsh/scrapy,hyrole/scrapy,wangjun/scrapy,huoxudong125/scrapy,stenskjaer/scrapy,tntC4stl3/scrapy,dracony/scrapy,z-fork/scrapy,pawelmhm/scrapy,WilliamKinaan/scrapy,heamon7/scrapy,Partoo/scrapy,csalazar/scrapy,yusofm/scrapy,kashyap32/scrapy,nowopen/scrapy,ashishnerkar1/scrapy,nett55/scrapy,Timeship/scrapy,avtoritet/scrapy,rahul-c1/scrapy,Parlin-Galanodel/scrapy,ENjOyAbLE1991/scrapy,IvanGavran/scrapy,beni55/scrapy,nfunato/scrapy,haiiiiiyun/scrapy,nguyenhongson03/scrapy,liyy7/scrapy,beni55/scrapy,ssh-odoo/scrapy,smaty1/scrapy,foromer4/scrapy,starrify/scrapy,avtoritet/scrapy,Ryezhang/scrapy,rahul-c1/scrapy,ylcolala/scrapy,pablohoffman/scrapy,TarasRudnyk/scrapy,jdemaeyer/scrapy,pranjalpatil/scrapy,YeelerG/scrapy,cyrixhero/scrapy,IvanGavran/scrapy,scrapy/scrapy,umrashrf/scrapy,mgedmin/scrapy,jeffreyjinfeng/scrapy,eliasdorneles/scrapy,Preetwinder/scrapy,sigma-random/scrapy,KublaikhanGeek/scrapy,KublaikhanGeek/scrapy,crasker/scrapy,OpenWhere/scrapy,snowdream1314/scrapy,zjuwangg/scrapy,webmakin/scrapy,rahulsharma1991/scrapy,finfish/scrapy,dgillis/scrapy,amboxer21/scrapy,rolando/scrapy,fqul/scrapy,elacuesta/scrapy,zackslash/scrapy,yarikoptic/scrapy,cursesun/scrapy,songfj/scrapy,mlyundin/scrapy,barraponto/scrapy,aivarsk/scrapy,olafdietsche/scrapy,dracony/scrapy,1yvT0s/scrapy,cursesun/scrapy,rdowinton/scrapy,Cnfc19932/scrapy,livepy/scrapy,devGregA/scrapy,shaform/scrapy,kimimj/scrapy,foromer4/scrapy,lacrazyboy/scrapy,cyrixhero/scrapy,starrify/scrapy,Lucifer-Kim/scrapy,AaronTao1990/scrapy,yarikoptic/scrapy,arush0311/scrapy,kazitanvirahsan/scrapy,CodeJuan/scrapy,barraponto/scrapy,WilliamKinaan/scrapy,Slater-Victoroff/scrapy,kmike/scrapy,agusc/scrapy,hectoruelo/scrapy,kazitanvirahsan/scrapy,darkrho/scrapy-scrapy,wzyuliyang/scrapy,csalazar/scrapy,w495/scrapy,ylcolala/scrapy,kmike/scrapy,Cnfc19932/scrapy,Djlavoy/scrapy,elacuesta/scrapy,jamesblunt/scrapy,eliasdorneles/scrapy,nowopen/scrapy,hwsyy/scrapy,nfunato/scrapy,pfctdayelise/scrapy,raphaelfruneaux/scrapy,Zephor5/scrapy,chekunkov/scrapy,godfreyy/scrapy,CodeJuan/scrapy,yusofm/scrapy,CENDARI/scrapy,elijah513/scrapy,ArturGaspar/scrapy,taito/scrapy,godfreyy/scrapy,farhan0581/scrapy,Timeship/scrapy,haiiiiiyun/scrapy,cyberplant/scrapy,pranjalpatil/scrapy,jdemaeyer/scrapy,hectoruelo/scrapy,1yvT0s/scrapy,pranjalpatil/scrapy,wenyu1001/scrapy,tntC4stl3/scrapy,TarasRudnyk/scrapy,famorted/scrapy,kashyap32/scrapy,taito/scrapy,sardok/scrapy,Digenis/scrapy,jc0n/scrapy,umrashrf/scrapy,Ryezhang/scrapy,pombredanne/scrapy,YeelerG/scrapy,crasker/scrapy,jdemaeyer/scrapy,OpenWhere/scrapy,johnardavies/scrapy,zhangtao11/scrapy,mgedmin/scrapy,fontenele/scrapy,ashishnerkar1/scrapy,curita/scrapy,stenskjaer/scrapy,URXtech/scrapy,kazitanvirahsan/scrapy,wenyu1001/scrapy,Zephor5/scrapy,nikgr95/scrapy,Chenmxs/scrapy,livepy/scrapy,fpy171/scrapy,Bourneer/scrapy,zackslash/scrapy,rootAvish/scrapy,beni55/scrapy,jorik041/scrapy,kimimj/scrapy,fqul/scrapy,zjuwangg/scrapy,nguyenhongson03/scrapy,cursesun/scrapy,moraesnicol/scrapy,CENDARI/scrapy,rklabs/scrapy,zackslash/scrapy,lacrazyboy/scrapy,jiezhu2007/scrapy,zorojean/scrapy,Parlin-Galanodel/scrapy,jeffreyjinfeng/scrapy,JacobStevenR/scrapy,hyrole/scrapy,devGregA/scrapy,elijah513/scrapy,joshlk/scrapy,Preetwinder/scrapy,fafaman/scrapy,aivarsk/scrapy,fafaman/scrapy,fontenele/scrapy,yidongliu/scrapy,hectoruelo/scrapy,Allianzcortex/scrapy,fqul/scrapy,cyberplant/scrapy,agusc/scrapy,pablohoffman/scrapy,YeelerG/scrapy,avtoritet/scrapy,carlosp420/scrapy,wzyuliyang/scrapy