Correct Windowed Trailer Play

Make sure trailers obey skin setting for windowed play.  Formatting for VideoExtras code.
Fix Trailer Alignments

Fix/Cleanup/Add windowed trailer views for all Movies viewtype selections
Cleanup MyVideoNav for Trailer Play

Do not allow videos to play in the background, use windows instead.
Align labels in Wraplist View
Slide Controls out of the way for videowindow

Could look nicer for Thumbnail and Wall view, will probably revisit.
Move trailer code out of individual viewtype xml

Moved into MyVideoNav and Includes_Trailers for consistency with other viewtypes
Hide controls for trailer view in Slide

Make sure the videowindow doesn't hide other information
Merge pull request #44 from bumpaneer/Gotham

Cleanup Trailer/Windowed Video Code