ENH: point to updated boost-headers-only commit
ENH: point to updated boost-headers-only commit

mdhaber/scipy,ilayn/scipy,endolith/scipy,scipy/scipy,scipy/scipy,endolith/scipy,WarrenWeckesser/scipy,endolith/scipy,perimosocordiae/scipy,andyfaff/scipy,scipy/scipy,Stefan-Endres/scipy,ilayn/scipy,mdhaber/scipy,rgommers/scipy,Stefan-Endres/scipy,endolith/scipy,anntzer/scipy,anntzer/scipy,andyfaff/scipy,anntzer/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,endolith/scipy,anntzer/scipy,andyfaff/scipy,rgommers/scipy,mdhaber/scipy,andyfaff/scipy,anntzer/scipy,mdhaber/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,scipy/scipy,rgommers/scipy,ilayn/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,anntzer/scipy,scipy/scipy,ilayn/scipy,Stefan-Endres/scipy,andyfaff/scipy,scipy/scipy,ilayn/scipy,ilayn/scipy,rgommers/scipy,WarrenWeckesser/scipy,andyfaff/scipy,mdhaber/scipy,WarrenWeckesser/scipy,endolith/scipy,mdhaber/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,rgommers/scipy