Adding changelog
Adding changelog

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