[Merge] lp:~tpeeters/webbrowser-app/fix-pagestack into lp:webbrowser-app

[Alexandre Abreu]

Review: Approve

The changes look ok, althought the title update might not be needed anymore,

AP tests run fine on desktop & touch,

I'd like Olivier to review it but since it is urgent ...
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https://code.launchpad.net/~tpeeters/webbrowser-app/fix-pagestack/+merge/219560
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