[Merge] lp:~artmello/webbrowser-app/webbrowser-app-bookmarks_top_sites into lp:webbrowser-app

[Arthur Mello]

> The copyright notice for tests/unittests/bookmarks-chronological-
> model/tst_BookmarksChronologicalModelTests.cpp should be dated 2014.

The unittest was removed since the bookmarks chronological model is not used anymore
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https://code.launchpad.net/~artmello/webbrowser-app/webbrowser-app-bookmarks_top_sites/+merge/224592
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