[Merge] lp:~abreu-alexandre/webbrowser-app/theme-color-change-address-bar-widgets into lp:webbrowser-app

[Alberto Mardegan]

Review: Approve

I would use property bindings on a new "elementsColor" property, but this is fine too.
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https://code.launchpad.net/~abreu-alexandre/webbrowser-app/theme-color-change-address-bar-widgets/+merge/295859
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