[vdr] Configurable MPlayer slave keys (was Featurerequest mplayer-plugin)

[Carsten Presser]

Stefan Huelswitt wrote:
> Enter the plugin setup menu to configure the slave commands. Keys
> 3 & 9 are not available as they are used to move VDR's progress
> display.
> 
> Please give feedback ;)

works fine for me. not just fine: its perfect.
only thing i changed: i also freed the keys 3 & 9 for slavecommands (i 
have no need in moving the progressbar).

Carsten