Added v1.3 to changelog
Added v1.3 to changelog

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