Updated CHANGES.rst for functonality added in #3208.
Updated CHANGES.rst for functonality added in #3208.

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