Update CHANGES.rst
Update CHANGES.rst

Pulling over from #1905
lpsinger/astropy,tbabej/astropy,lpsinger/astropy,lpsinger/astropy,tbabej/astropy,joergdietrich/astropy,kelle/astropy,saimn/astropy,kelle/astropy,stargaser/astropy,pllim/astropy,bsipocz/astropy,mhvk/astropy,dhomeier/astropy,DougBurke/astropy,mhvk/astropy,funbaker/astropy,joergdietrich/astropy,joergdietrich/astropy,stargaser/astropy,dhomeier/astropy,AustereCuriosity/astropy,astropy/astropy,larrybradley/astropy,AustereCuriosity/astropy,stargaser/astropy,aleksandr-bakanov/astropy,stargaser/astropy,StuartLittlefair/astropy,funbaker/astropy,astropy/astropy,DougBurke/astropy,bsipocz/astropy,tbabej/astropy,aleksandr-bakanov/astropy,mhvk/astropy,MSeifert04/astropy,funbaker/astropy,tbabej/astropy,MSeifert04/astropy,dhomeier/astropy,AustereCuriosity/astropy,bsipocz/astropy,astropy/astropy,pllim/astropy,astropy/astropy,dhomeier/astropy,kelle/astropy,aleksandr-bakanov/astropy,saimn/astropy,DougBurke/astropy,astropy/astropy,saimn/astropy,funbaker/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,lpsinger/astropy,mhvk/astropy,saimn/astropy,MSeifert04/astropy,larrybradley/astropy,kelle/astropy,joergdietrich/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,pllim/astropy,joergdietrich/astropy,pllim/astropy,lpsinger/astropy,pllim/astropy,tbabej/astropy,mhvk/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,larrybradley/astropy,dhomeier/astropy,kelle/astropy,larrybradley/astropy,DougBurke/astropy,larrybradley/astropy,saimn/astropy,bsipocz/astropy,MSeifert04/astropy