Mention Numpy minimum version in the changelog
Mention Numpy minimum version in the changelog

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