Invert color of "x button to delete reminder". Fixes 288

        <attr name="calendar_owner_text_color" format="color"/>

        <attr name="calendar_date_banner_bgcolor" format="color"/>

        <attr name="app_bar_color" format="color"/>

        <attr name="minus_button" format="reference"/>

    </declare-styleable>

</resources>

        <item name="calendar_date_banner_bgcolor">@color/calendar_date_banner_background</item>

        <item name="app_bar_color">@color/colorPrimary</item>

        <item name="autoCompleteTextViewStyle">@style/actionbar_cursor</item>

        <item name="minus_button">@drawable/ic_menu_remove_field_holo_light</item>

    </style>

    <style name="Base.CalendarAppThemeWithActionBar" parent="Theme.AppCompat.Light.DarkActionBar">

    <style name="MinusButton">

        <item name="android:background">?android:attr/selectableItemBackground</item>

        <item name="android:src">@drawable/ic_menu_remove_field_holo_light</item>

        <item name="android:src">?attr/minus_button</item>

    </style>

    <style name="MonthView_DayLabel">

        <item name="calendar_owner_text_color">@color/calendar_owner_text_color_dark</item>

        <item name="calendar_date_banner_bgcolor">@color/calendar_date_banner_background_dark</item>

        <item name="app_bar_color">@color/app_bar</item>

        <item name="minus_button">@drawable/ic_menu_remove_field_holo_light_dark</item>

    </style>

</resources>