Updates the phpunit version to ~4.1, which should fix Travis builds breaking on PHP versions > 5.3.
Updates the phpunit version to ~4.1, which should fix Travis builds
breaking on PHP versions > 5.3.

notrix/MobileDetectBundle,jeroendesloovere/MobileDetectBundle,xabbuh/MobileDetectBundle,cH40z-Lord/MobileDetectBundle,xabbuh/MobileDetectBundle,notrix/MobileDetectBundle,Viscaweb/MobileDetectBundle,romaricdrigon/MobileDetectBundle,Viscaweb/MobileDetectBundle