Update requirements for Astropy
Update requirements for Astropy

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