Add Age speedup to changelog.
Add Age speedup to changelog.

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