Push version to 12-beta8, 228.
Push version to 12-beta8, 228.

artemnikitin/SeriesGuide,r00t-user/SeriesGuide,UweTrottmann/SeriesGuide,epiphany27/SeriesGuide,UweTrottmann/SeriesGuide,hoanganhx86/SeriesGuide,0359xiaodong/SeriesGuide