Added entries in CHANGELOG for units, quantities, and related changes.
Added entries in CHANGELOG for units, quantities, and related changes.

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