Fix CHANGES.rst + add new PR.
Fix CHANGES.rst + add new PR.

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