made travis build_sphinx command not do intersphinx
made travis build_sphinx command not do intersphinx

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