linuxmint/Cinnamon — pull request #770 by mtwebster (2012-06-16 04:09:10+00:00)
Title: Fix expo/overview mixup when you use hotcorner to open Overview,

then click the button to switch to expo, this will close overview first,
then open expo (with proper waits for animations to complete where necessary)

Note for some reason when expo opens after immediately closing overview,
the panels don't properly hide again - still figuring that out, and will add another commit once i figure it out.

This is a fix for issue #766