Moved change log to 2.0.4 section.
Moved change log to 2.0.4 section.

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