DOC: Fix refguide and doctest errors in CubicSpline
DOC: Fix refguide and doctest errors in CubicSpline

scipy/scipy,pschella/scipy,jjhelmus/scipy,zerothi/scipy,lhilt/scipy,gdooper/scipy,maniteja123/scipy,lhilt/scipy,Newman101/scipy,surhudm/scipy,maniteja123/scipy,tylerjereddy/scipy,pbrod/scipy,matthewalbani/scipy,mikebenfield/scipy,haudren/scipy,nonhermitian/scipy,gdooper/scipy,nmayorov/scipy,WarrenWeckesser/scipy,andyfaff/scipy,arokem/scipy,Eric89GXL/scipy,befelix/scipy,apbard/scipy,befelix/scipy,e-q/scipy,endolith/scipy,anielsen001/scipy,nonhermitian/scipy,maniteja123/scipy,tylerjereddy/scipy,haudren/scipy,matthew-brett/scipy,jakevdp/scipy,mikebenfield/scipy,Newman101/scipy,jor-/scipy,vigna/scipy,arokem/scipy,endolith/scipy,perimosocordiae/scipy,nmayorov/scipy,dominicelse/scipy,maniteja123/scipy,aeklant/scipy,WarrenWeckesser/scipy,gfyoung/scipy,mikebenfield/scipy,WarrenWeckesser/scipy,e-q/scipy,nonhermitian/scipy,gertingold/scipy,haudren/scipy,jakevdp/scipy,e-q/scipy,perimosocordiae/scipy,ilayn/scipy,woodscn/scipy,WarrenWeckesser/scipy,apbard/scipy,behzadnouri/scipy,argriffing/scipy,surhudm/scipy,andyfaff/scipy,aeklant/scipy,pbrod/scipy,perimosocordiae/scipy,gfyoung/scipy,grlee77/scipy,argriffing/scipy,scipy/scipy,pyramania/scipy,mdhaber/scipy,aeklant/scipy,grlee77/scipy,haudren/scipy,tylerjereddy/scipy,woodscn/scipy,bkendzior/scipy,kleskjr/scipy,zerothi/scipy,jamestwebber/scipy,Stefan-Endres/scipy,rgommers/scipy,gfyoung/scipy,gdooper/scipy,jor-/scipy,mdhaber/scipy,pizzathief/scipy,anntzer/scipy,matthewalbani/scipy,vigna/scipy,behzadnouri/scipy,grlee77/scipy,scipy/scipy,pyramania/scipy,kalvdans/scipy,rgommers/scipy,jamestwebber/scipy,behzadnouri/scipy,mdhaber/scipy,jakevdp/scipy,nmayorov/scipy,surhudm/scipy,ilayn/scipy,perimosocordiae/scipy,jamestwebber/scipy,maniteja123/scipy,Stefan-Endres/scipy,befelix/scipy,surhudm/scipy,gfyoung/scipy,pizzathief/scipy,pbrod/scipy,andyfaff/scipy,Newman101/scipy,maniteja123/scipy,lhilt/scipy,rgommers/scipy,jor-/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,vigna/scipy,pbrod/scipy,tylerjereddy/scipy,sriki18/scipy,grlee77/scipy,jor-/scipy,matthew-brett/scipy,andyfaff/scipy,Newman101/scipy,pizzathief/scipy,jjhelmus/scipy,perimosocordiae/scipy,e-q/scipy,person142/scipy,jakevdp/scipy,aarchiba/scipy,mdhaber/scipy,sriki18/scipy,person142/scipy,pbrod/scipy,dominicelse/scipy,jjhelmus/scipy,vigna/scipy,haudren/scipy,scipy/scipy,anielsen001/scipy,woodscn/scipy,Newman101/scipy,andyfaff/scipy,matthewalbani/scipy,matthewalbani/scipy,Eric89GXL/scipy,anielsen001/scipy,pizzathief/scipy,surhudm/scipy,arokem/scipy,pschella/scipy,bkendzior/scipy,befelix/scipy,zerothi/scipy,endolith/scipy,sriki18/scipy,grlee77/scipy,haudren/scipy,rgommers/scipy,pizzathief/scipy,apbard/scipy,lhilt/scipy,aarchiba/scipy,argriffing/scipy,behzadnouri/scipy,vigna/scipy,gertingold/scipy,endolith/scipy,josephcslater/scipy,zerothi/scipy,mikebenfield/scipy,argriffing/scipy,kalvdans/scipy,jor-/scipy,argriffing/scipy,jakevdp/scipy,person142/scipy,aeklant/scipy,matthewalbani/scipy,aarchiba/scipy,matthew-brett/scipy,kleskjr/scipy,mikebenfield/scipy,mdhaber/scipy,anntzer/scipy,pbrod/scipy,bkendzior/scipy,anielsen001/scipy,pyramania/scipy,e-q/scipy,endolith/scipy,sriki18/scipy,gdooper/scipy,bkendzior/scipy,anntzer/scipy,anntzer/scipy,pschella/scipy,bkendzior/scipy,josephcslater/scipy,aarchiba/scipy,gdooper/scipy,jjhelmus/scipy,argriffing/scipy,anielsen001/scipy,dominicelse/scipy,person142/scipy,tylerjereddy/scipy,Eric89GXL/scipy,befelix/scipy,woodscn/scipy,sriki18/scipy,jjhelmus/scipy,matthew-brett/scipy,nonhermitian/scipy,Stefan-Endres/scipy,scipy/scipy,kalvdans/scipy,anntzer/scipy,gfyoung/scipy,nmayorov/scipy,apbard/scipy,kalvdans/scipy,pyramania/scipy,rgommers/scipy,jamestwebber/scipy,anntzer/scipy,gertingold/scipy,pschella/scipy,josephcslater/scipy,behzadnouri/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,gertingold/scipy,gertingold/scipy,Eric89GXL/scipy,ilayn/scipy,Stefan-Endres/scipy,lhilt/scipy,perimosocordiae/scipy,apbard/scipy,pyramania/scipy,ilayn/scipy,kalvdans/scipy,josephcslater/scipy,aeklant/scipy,woodscn/scipy,woodscn/scipy,arokem/scipy,dominicelse/scipy,andyfaff/scipy,behzadnouri/scipy,pschella/scipy,person142/scipy,nonhermitian/scipy,surhudm/scipy,josephcslater/scipy,Newman101/scipy,kleskjr/scipy,dominicelse/scipy,Stefan-Endres/scipy,ilayn/scipy,nmayorov/scipy,sriki18/scipy,scipy/scipy,endolith/scipy,ilayn/scipy,zerothi/scipy,kleskjr/scipy,aarchiba/scipy,zerothi/scipy,arokem/scipy,kleskjr/scipy,matthew-brett/scipy,jamestwebber/scipy,mdhaber/scipy,kleskjr/scipy,Stefan-Endres/scipy,anielsen001/scipy