[Merge] lp:~rpadovani/webbrowser-app/no-duplicates-address-bar into lp:webbrowser-app

[Riccardo Padovani]

Actually, the problem was in the way Suggestions count property was calculated, I fixed it. 
I ran all the suggestion's tests and they still work, so I think my fix is ok.
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https://code.launchpad.net/~rpadovani/webbrowser-app/no-duplicates-address-bar/+merge/262586
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