updated sphinx-building command to also build
updated sphinx-building command to also build

saimn/astropy,lpsinger/astropy,joergdietrich/astropy,bsipocz/astropy,pllim/astropy,astropy/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,joergdietrich/astropy,pllim/astropy,tbabej/astropy,dhomeier/astropy,bsipocz/astropy,StuartLittlefair/astropy,tbabej/astropy,stargaser/astropy,aleksandr-bakanov/astropy,pllim/astropy,tbabej/astropy,saimn/astropy,AustereCuriosity/astropy,larrybradley/astropy,saimn/astropy,dhomeier/astropy,stargaser/astropy,funbaker/astropy,DougBurke/astropy,astropy/astropy,lpsinger/astropy,dhomeier/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,kelle/astropy,mhvk/astropy,funbaker/astropy,MSeifert04/astropy,stargaser/astropy,tbabej/astropy,larrybradley/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,mhvk/astropy,DougBurke/astropy,StuartLittlefair/astropy,kelle/astropy,saimn/astropy,funbaker/astropy,DougBurke/astropy,astropy/astropy,larrybradley/astropy,kelle/astropy,astropy/astropy,MSeifert04/astropy,AustereCuriosity/astropy,pllim/astropy,AustereCuriosity/astropy,astropy/astropy,dhomeier/astropy,kelle/astropy,pllim/astropy,mhvk/astropy,joergdietrich/astropy,DougBurke/astropy,kelle/astropy,mhvk/astropy,larrybradley/astropy,mhvk/astropy,tbabej/astropy,bsipocz/astropy,joergdietrich/astropy,MSeifert04/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,joergdietrich/astropy,funbaker/astropy,bsipocz/astropy,lpsinger/astropy,StuartLittlefair/astropy,lpsinger/astropy,stargaser/astropy,dhomeier/astropy,saimn/astropy