DOC: add info on setting up scipy for developing to contributing HOWTO.
DOC: add info on setting up scipy for developing to contributing HOWTO.

Also add some details on documentation wiki and tweak formatting of HOWTO.

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