Improve Time and TimeDelta docstrings
Improve Time and TimeDelta docstrings

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