Issue #67: Add trailer indicator to Grid View for Movies.
Issue #167: Add indicator subtitle indicator

Adds the ability in grid view to have an indicator that a movie has
subtitles.  Selection of the subtitle will occur in a future commit via
the context menu.
Issue #178: Update German Translation

Thanks to AlBundy33 for the update translations.
Issue #167: Remove unused context variable
Remove extraneous System.out println.