DOC,BLD: Update make dist html target.
DOC,BLD: Update make dist html target.

Switch html target for make dist to move away from the
html-scipyorg theme. Makes the theme of the archived docs
including stable consistent with the devdocs

numpy/numpy,pdebuyl/numpy,abalkin/numpy,pbrod/numpy,mhvk/numpy,jakirkham/numpy,jakirkham/numpy,jakirkham/numpy,madphysicist/numpy,rgommers/numpy,pbrod/numpy,anntzer/numpy,simongibbons/numpy,pbrod/numpy,mhvk/numpy,mhvk/numpy,grlee77/numpy,pdebuyl/numpy,madphysicist/numpy,abalkin/numpy,simongibbons/numpy,simongibbons/numpy,madphysicist/numpy,rgommers/numpy,anntzer/numpy,numpy/numpy,simongibbons/numpy,grlee77/numpy,grlee77/numpy,mattip/numpy,mattip/numpy,madphysicist/numpy,madphysicist/numpy,jakirkham/numpy,abalkin/numpy,charris/numpy,mhvk/numpy,endolith/numpy,pdebuyl/numpy,seberg/numpy,jakirkham/numpy,charris/numpy,numpy/numpy,rgommers/numpy,mhvk/numpy,mattip/numpy,endolith/numpy,seberg/numpy,endolith/numpy,charris/numpy,pbrod/numpy,seberg/numpy,mattip/numpy,anntzer/numpy,simongibbons/numpy,seberg/numpy,pdebuyl/numpy,charris/numpy,numpy/numpy,grlee77/numpy,anntzer/numpy,rgommers/numpy,grlee77/numpy,endolith/numpy,pbrod/numpy