Update trakt sync info: un-events now sync as well.

- https://github.com/UweTrottmann/SeriesGuideInternal/issues/5
Update existing show upload info, add movie watchlist and collection info.
Point direct APK link always to latest release.
Add themes to X features (home page, why pay page).
Add hint about movie watchlist and collection.
Merge branch 'gh-pages-dev' into gh-pages