Changed behavior to show the bar after completion with an option to hide it

Hello @hallas, 

Please review the following commits I made in branch 'visible-progress'.

8a0e3a38be8a40ee62cf3bc3aaf18354ace516cb (2013-09-16 11:51:43 -0400)
Changed behavior to show the bar after completion with an option to hide it


R=@hallas