added documentation for settings: ENGINE_DEBUG, DOWNLOADER_DEBUG
added documentation for settings: ENGINE_DEBUG, DOWNLOADER_DEBUG

--HG--
extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%40721

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