disappear card footer text unless hovering

disappear card footer text unless hovering+status

disappear card footer text unless hovering+priority

disappear card footer text unless hovering+tags

disappear card footer text unless hovering+commit

also see change Pages in card footers to Cards

think we implemented this a while back. like the other hover stuff, it doesn't really work in IE6, but I don't plan to fight it - IE6 has very limited hover support.

--Ethan McCutchen.....Wed Dec 10 13:18:39 -0800 2008