[mythtv] [PATCH] add "UPCOMING" keybinding to "Watch Recordings"

[Bruce Markey]

John Patrick Poet wrote:
> 
> This patch adds the "UPCOMING" keybinding to the "Watch Recordings" 
> screen.  I am not real familiar with this part of the code, so I hope I 
> implemented it correctly.  It seems to work fine for me.

Good idea. Committed, however, I excluded the privledged thread
part that has nothing to do with upcoming episodes =).

--  bjm