Bluray - load cached BD+ tables

[candela]

Currently libbdplus attempts to emulate the BD+ VM to create a conversion table convtab.bin. This only works for the first few versions of BD+ since it is constantly being updated

Therefore I have the following feature request:

Before trying to emulate the BD+ VM, libbdplus should first check if there is a cached conversion table available in %APPDATA%\bdplus\convtab\*disc_id*.bin and load this table instead. This would enable realtime playback of Bluray discs with BD+ for which a conversion table is available

[DJX]

Bump

[Jean-Baptiste Kempf]

Patches welcome