Improve time display in progress bar.
Improve time display in progress bar.

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