SetupWizard: Change a few color styles

    <style name="Theme.Setup" parent="@android:style/Theme.Material.Light">

        <item name="android:windowActionBar">false</item>

        <item name="android:windowNoTitle">true</item>

        <item name="android:windowBackground">@color/primary</item>

        <item name="android:windowBackground">@color/window_background</item>

        <item name="android:colorPrimary">@color/primary</item>

        <item name="android:colorPrimaryDark">@color/primary</item>

        <item name="android:colorAccent">@color/accent</item>

        <item name="android:textColorLink">@color/accent</item>

    </style>

    <style name="Header">