Added "What's new" section for the addition of the coordinates subpackage
Added "What's new" section for the addition of the coordinates subpackage

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