[vdr] Announce: mplayer.sh version 0.8.7

[Juri Haberland]

Hi,

this release mainly adds support for MPlayer versions newer than 1.0rc1.
Unfortunately, I had to drop the support for MPlayer versions prior to
1.0pre series (0.9x...).

This step was necessary, because current MPlayer development version
stopped accepting the '-vop' option. The '-vf' option must be used
instead.

As usual you can get the new version of mplayer.sh from
http://batleth.sapienti-sat.org/projects/VDR/

Changelog:
 - added 544x480 as valid NTSC resolution (thanks to C.Y.M)
 - removed 688x576 from the valid PAL resolutions;
 - calculate USE_SPEED with 30 fps instead of 29.97
 - use '-vf' and '-af' instead of '-vop' and '-aop', as the
   latter are deprecated
 
Enjoy,
    Juri