Code review comment for lp:~mzanetti/unity8/right-edge-2

> Functional bugs (phone testing only)
> 1. I launch Contacts app from dash. Wait for it to appear. Left edge swipe it
> away. I'm not able to bring back Contacts by tapping its preview, nor its dahs
> or launcher icon.
>
> 2. I launch Contacts app from dash. Wait for it to appear. Left edge swipe it
> away. I then launch Dialer app from dash, I don't get a starting animation:
> instead Contacts app immediately shown, and eventually Dialer pops up on top

Both were caused because unity8 still called activateApplication() which was changed to reqeastFocusApplication() in the other branches by now.

Both fixed.