Cleanup changelog for v1.0.4 [skip ci]
Cleanup changelog for v1.0.4 [skip ci]

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