[skip ci] changelog entry for 4700
[skip ci] changelog entry for 4700

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