[mythtv] First patch for runtime configurable keybindings

[Erik Arendse]

At 3-3-03 15:50, Isaac Richards wrote:
>...and don't unnecessarily move
>stuff into the XvData structure, as most of the changes in the XvVideoOutput
>class look totally unnecessary.

You did notice I discarded over 50% of the source in XvVideooutput because 
it is now handled by QT?
This probably explains most of the changes you saw.

Erik