DOC: integrate: move the quad_explain() text to quad() docstring
DOC: integrate: move the quad_explain() text to quad() docstring

There's no real reason to keep the documentation in a different place.

person142/scipy,gertingold/scipy,sauliusl/scipy,cpaulik/scipy,sriki18/scipy,newemailjdm/scipy,fredrikw/scipy,aarchiba/scipy,trankmichael/scipy,newemailjdm/scipy,apbard/scipy,niknow/scipy,petebachant/scipy,pizzathief/scipy,gfyoung/scipy,njwilson23/scipy,befelix/scipy,maniteja123/scipy,dch312/scipy,argriffing/scipy,nmayorov/scipy,anntzer/scipy,Eric89GXL/scipy,aman-iitj/scipy,kleskjr/scipy,gfyoung/scipy,matthewalbani/scipy,e-q/scipy,Newman101/scipy,Shaswat27/scipy,arokem/scipy,jakevdp/scipy,Eric89GXL/scipy,woodscn/scipy,sonnyhu/scipy,ilayn/scipy,petebachant/scipy,gef756/scipy,mortada/scipy,minhlongdo/scipy,WillieMaddox/scipy,anntzer/scipy,jor-/scipy,ChanderG/scipy,person142/scipy,pizzathief/scipy,felipebetancur/scipy,felipebetancur/scipy,Stefan-Endres/scipy,jonycgn/scipy,mtrbean/scipy,witcxc/scipy,Kamp9/scipy,zaxliu/scipy,giorgiop/scipy,sauliusl/scipy,anntzer/scipy,witcxc/scipy,matthewalbani/scipy,zerothi/scipy,hainm/scipy,jonycgn/scipy,haudren/scipy,aman-iitj/scipy,Shaswat27/scipy,mikebenfield/scipy,vberaudi/scipy,gdooper/scipy,cpaulik/scipy,mhogg/scipy,sriki18/scipy,kleskjr/scipy,matthew-brett/scipy,perimosocordiae/scipy,ChanderG/scipy,mortonjt/scipy,sriki18/scipy,zerothi/scipy,Shaswat27/scipy,vhaasteren/scipy,mgaitan/scipy,aarchiba/scipy,mortada/scipy,arokem/scipy,aeklant/scipy,befelix/scipy,vanpact/scipy,lhilt/scipy,andim/scipy,mgaitan/scipy,fredrikw/scipy,grlee77/scipy,Srisai85/scipy,pbrod/scipy,trankmichael/scipy,mikebenfield/scipy,Newman101/scipy,jamestwebber/scipy,cpaulik/scipy,dominicelse/scipy,surhudm/scipy,mingwpy/scipy,mdhaber/scipy,ales-erjavec/scipy,Eric89GXL/scipy,njwilson23/scipy,behzadnouri/scipy,andyfaff/scipy,kalvdans/scipy,giorgiop/scipy,Kamp9/scipy,njwilson23/scipy,richardotis/scipy,futurulus/scipy,ortylp/scipy,richardotis/scipy,sonnyhu/scipy,sauliusl/scipy,FRidh/scipy,giorgiop/scipy,lukauskas/scipy,njwilson23/scipy,jamestwebber/scipy,cpaulik/scipy,ortylp/scipy,kleskjr/scipy,maciejkula/scipy,behzadnouri/scipy,larsmans/scipy,endolith/scipy,pschella/scipy,ales-erjavec/scipy,Kamp9/scipy,jsilter/scipy,mingwpy/scipy,newemailjdm/scipy,efiring/scipy,surhudm/scipy,mortonjt/scipy,person142/scipy,maciejkula/scipy,gfyoung/scipy,Shaswat27/scipy,andim/scipy,pyramania/scipy,jjhelmus/scipy,ndchorley/scipy,hainm/scipy,person142/scipy,scipy/scipy,felipebetancur/scipy,gertingold/scipy,fernand/scipy,mtrbean/scipy,fredrikw/scipy,vberaudi/scipy,argriffing/scipy,woodscn/scipy,befelix/scipy,matthew-brett/scipy,mingwpy/scipy,nmayorov/scipy,richardotis/scipy,jseabold/scipy,kalvdans/scipy,pyramania/scipy,giorgiop/scipy,scipy/scipy,josephcslater/scipy,maciejkula/scipy,Stefan-Endres/scipy,maniteja123/scipy,Eric89GXL/scipy,aarchiba/scipy,e-q/scipy,endolith/scipy,woodscn/scipy,lukauskas/scipy,petebachant/scipy,witcxc/scipy,dominicelse/scipy,pschella/scipy,gdooper/scipy,FRidh/scipy,maciejkula/scipy,WillieMaddox/scipy,FRidh/scipy,gfyoung/scipy,vigna/scipy,nmayorov/scipy,Srisai85/scipy,josephcslater/scipy,Gillu13/scipy,mgaitan/scipy,niknow/scipy,anielsen001/scipy,Srisai85/scipy,anielsen001/scipy,ales-erjavec/scipy,maniteja123/scipy,haudren/scipy,trankmichael/scipy,ogrisel/scipy,rmcgibbo/scipy,argriffing/scipy,maniteja123/scipy,Gillu13/scipy,lhilt/scipy,zxsted/scipy,perimosocordiae/scipy,trankmichael/scipy,richardotis/scipy,haudren/scipy,vhaasteren/scipy,felipebetancur/scipy,Newman101/scipy,ortylp/scipy,Gillu13/scipy,vberaudi/scipy,jakevdp/scipy,sonnyhu/scipy,tylerjereddy/scipy,e-q/scipy,pyramania/scipy,petebachant/scipy,kleskjr/scipy,minhlongdo/scipy,behzadnouri/scipy,Newman101/scipy,ChanderG/scipy,tylerjereddy/scipy,lhilt/scipy,haudren/scipy,newemailjdm/scipy,jor-/scipy,pyramania/scipy,sauliusl/scipy,aeklant/scipy,ogrisel/scipy,chatcannon/scipy,aeklant/scipy,mhogg/scipy,zxsted/scipy,haudren/scipy,piyush0609/scipy,zaxliu/scipy,mgaitan/scipy,Kamp9/scipy,tylerjereddy/scipy,sonnyhu/scipy,ales-erjavec/scipy,grlee77/scipy,gfyoung/scipy,zxsted/scipy,vhaasteren/scipy,behzadnouri/scipy,pschella/scipy,piyush0609/scipy,Stefan-Endres/scipy,andyfaff/scipy,fernand/scipy,sriki18/scipy,dominicelse/scipy,scipy/scipy,mhogg/scipy,hainm/scipy,pbrod/scipy,pschella/scipy,gertingold/scipy,lukauskas/scipy,e-q/scipy,zaxliu/scipy,lhilt/scipy,mdhaber/scipy,zerothi/scipy,fredrikw/scipy,rmcgibbo/scipy,aman-iitj/scipy,mgaitan/scipy,endolith/scipy,befelix/scipy,minhlongdo/scipy,Gillu13/scipy,futurulus/scipy,pnedunuri/scipy,richardotis/scipy,tylerjereddy/scipy,witcxc/scipy,ndchorley/scipy,zaxliu/scipy,jjhelmus/scipy,larsmans/scipy,ilayn/scipy,perimosocordiae/scipy,andim/scipy,WillieMaddox/scipy,zerothi/scipy,andim/scipy,arokem/scipy,gef756/scipy,larsmans/scipy,felipebetancur/scipy,scipy/scipy,hainm/scipy,ChanderG/scipy,kalvdans/scipy,nvoron23/scipy,argriffing/scipy,Dapid/scipy,mtrbean/scipy,gdooper/scipy,gertingold/scipy,pbrod/scipy,ales-erjavec/scipy,gdooper/scipy,bkendzior/scipy,cpaulik/scipy,chatcannon/scipy,piyush0609/scipy,argriffing/scipy,arokem/scipy,Srisai85/scipy,ndchorley/scipy,niknow/scipy,efiring/scipy,Dapid/scipy,mtrbean/scipy,zerothi/scipy,ndchorley/scipy,FRidh/scipy,mortada/scipy,perimosocordiae/scipy,vigna/scipy,lukauskas/scipy,jseabold/scipy,nmayorov/scipy,aeklant/scipy,grlee77/scipy,efiring/scipy,andyfaff/scipy,behzadnouri/scipy,mikebenfield/scipy,bkendzior/scipy,pizzathief/scipy,endolith/scipy,sriki18/scipy,raoulbq/scipy,surhudm/scipy,aman-iitj/scipy,dominicelse/scipy,anntzer/scipy,Shaswat27/scipy,futurulus/scipy,zxsted/scipy,vhaasteren/scipy,jor-/scipy,jakevdp/scipy,mtrbean/scipy,surhudm/scipy,ndchorley/scipy,anielsen001/scipy,mortada/scipy,FRidh/scipy,apbard/scipy,anntzer/scipy,witcxc/scipy,jonycgn/scipy,petebachant/scipy,dch312/scipy,Kamp9/scipy,gef756/scipy,chatcannon/scipy,WarrenWeckesser/scipy,vberaudi/scipy,kalvdans/scipy,hainm/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,jamestwebber/scipy,Dapid/scipy,endolith/scipy,vanpact/scipy,minhlongdo/scipy,Srisai85/scipy,rmcgibbo/scipy,mgaitan/scipy,rmcgibbo/scipy,anntzer/scipy,chatcannon/scipy,matthew-brett/scipy,jakevdp/scipy,Eric89GXL/scipy,pbrod/scipy,piyush0609/scipy,maciejkula/scipy,mortonjt/scipy,jonycgn/scipy,jsilter/scipy,mingwpy/scipy,rgommers/scipy,lukauskas/scipy,vhaasteren/scipy,kalvdans/scipy,person142/scipy,andyfaff/scipy,mdhaber/scipy,vberaudi/scipy,pbrod/scipy,mdhaber/scipy,aarchiba/scipy,pnedunuri/scipy,giorgiop/scipy,raoulbq/scipy,raoulbq/scipy,nonhermitian/scipy,chatcannon/scipy,andim/scipy,woodscn/scipy,anielsen001/scipy,scipy/scipy,ogrisel/scipy,zaxliu/scipy,nmayorov/scipy,Dapid/scipy,mdhaber/scipy,fredrikw/scipy,nvoron23/scipy,matthew-brett/scipy,Gillu13/scipy,niknow/scipy,sauliusl/scipy,jseabold/scipy,niknow/scipy,scipy/scipy,dominicelse/scipy,vberaudi/scipy,anielsen001/scipy,petebachant/scipy,perimosocordiae/scipy,matthewalbani/scipy,matthew-brett/scipy,jor-/scipy,aeklant/scipy,nonhermitian/scipy,njwilson23/scipy,apbard/scipy,futurulus/scipy,pnedunuri/scipy,piyush0609/scipy,mingwpy/scipy,maniteja123/scipy,vigna/scipy,giorgiop/scipy,maniteja123/scipy,Kamp9/scipy,sonnyhu/scipy,raoulbq/scipy,rgommers/scipy,mingwpy/scipy,pnedunuri/scipy,minhlongdo/scipy,mtrbean/scipy,sonnyhu/scipy,ales-erjavec/scipy,andyfaff/scipy,vanpact/scipy,efiring/scipy,befelix/scipy,jonycgn/scipy,apbard/scipy,ilayn/scipy,larsmans/scipy,mortonjt/scipy,raoulbq/scipy,vhaasteren/scipy,haudren/scipy,niknow/scipy,pnedunuri/scipy,Shaswat27/scipy,vanpact/scipy,aarchiba/scipy,WarrenWeckesser/scipy,pyramania/scipy,mortada/scipy,matthewalbani/scipy,nonhermitian/scipy,Stefan-Endres/scipy,pnedunuri/scipy,njwilson23/scipy,efiring/scipy,mikebenfield/scipy,grlee77/scipy,lukauskas/scipy,kleskjr/scipy,jsilter/scipy,josephcslater/scipy,felipebetancur/scipy,nvoron23/scipy,ChanderG/scipy,futurulus/scipy,Eric89GXL/scipy,fredrikw/scipy,perimosocordiae/scipy,cpaulik/scipy,ilayn/scipy,jjhelmus/scipy,bkendzior/scipy,andim/scipy,zaxliu/scipy,nvoron23/scipy,WarrenWeckesser/scipy,bkendzior/scipy,larsmans/scipy,jsilter/scipy,ilayn/scipy,jseabold/scipy,Stefan-Endres/scipy,vanpact/scipy,gdooper/scipy,mortonjt/scipy,aman-iitj/scipy,rgommers/scipy,mhogg/scipy,behzadnouri/scipy,ogrisel/scipy,jor-/scipy,Dapid/scipy,ortylp/scipy,fernand/scipy,ortylp/scipy,jakevdp/scipy,dch312/scipy,zxsted/scipy,fernand/scipy,futurulus/scipy,surhudm/scipy,bkendzior/scipy,e-q/scipy,Newman101/scipy,trankmichael/scipy,mhogg/scipy,WillieMaddox/scipy,larsmans/scipy,jseabold/scipy,ogrisel/scipy,WillieMaddox/scipy,josephcslater/scipy,jamestwebber/scipy,rgommers/scipy,Srisai85/scipy,mikebenfield/scipy,ndchorley/scipy,ChanderG/scipy,aman-iitj/scipy,mhogg/scipy,piyush0609/scipy,nvoron23/scipy,Dapid/scipy,woodscn/scipy,grlee77/scipy,andyfaff/scipy,newemailjdm/scipy,hainm/scipy,WarrenWeckesser/scipy,nvoron23/scipy,argriffing/scipy,fernand/scipy,fernand/scipy,Newman101/scipy,minhlongdo/scipy,rmcgibbo/scipy,zxsted/scipy,raoulbq/scipy,WillieMaddox/scipy,nonhermitian/scipy,josephcslater/scipy,vigna/scipy,matthewalbani/scipy,gef756/scipy,mortonjt/scipy,lhilt/scipy,ilayn/scipy,tylerjereddy/scipy,sauliusl/scipy,chatcannon/scipy,vanpact/scipy,jjhelmus/scipy,FRidh/scipy,rgommers/scipy,endolith/scipy,apbard/scipy,efiring/scipy,woodscn/scipy,jsilter/scipy,richardotis/scipy,jjhelmus/scipy,dch312/scipy,surhudm/scipy,pschella/scipy,sriki18/scipy,pizzathief/scipy,WarrenWeckesser/scipy,vigna/scipy,pbrod/scipy,mortada/scipy,nonhermitian/scipy,gertingold/scipy,anielsen001/scipy,jseabold/scipy,pizzathief/scipy,ortylp/scipy,jamestwebber/scipy,rmcgibbo/scipy,gef756/scipy,Gillu13/scipy,zerothi/scipy,arokem/scipy,jonycgn/scipy,trankmichael/scipy,gef756/scipy,kleskjr/scipy,dch312/scipy,mdhaber/scipy,newemailjdm/scipy