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Add replay/advance buttons to Now Showing's mini remote.

Fixes #32
No long press for  wish lists.

Fixes #33
Move Now Showing's detail section to a shared include.

This makes portrait/landscape share the exact same, previously duplicated, code.  It also puts the mini remote outside of the progress viewflipper.

Refs #35
Display placeholder when non-TV is playing.

When a menu (SD or HD w/out corner video) or other app (YouTube, Netflix, etc.) is playing, then there's no "what's on" information.  So display a placeholder (with no scrub bar) instead.

Fixes #35