added changelog entry [ci skip]
added changelog entry [ci skip]

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