Add scale validation code for JD, MJD, TimeDelta*
Add scale validation code for JD, MJD, TimeDelta*

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