update changelog for 1.3/1.2.2/1.0.11 releases
update changelog for 1.3/1.2.2/1.0.11 releases

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