BD-J: cache parsed bdjo data
BD-J: cache parsed bdjo data

Amount of data is small. Without caching it is loaded from disc multiple times.

ShiftMediaProject/libbluray,tourettes/libbluray,mwgoldsmith/bluray,vlc-mirror/libbluray,mwgoldsmith/bluray,EdwardNewK/libbluray,EdwardNewK/libbluray,EdwardNewK/libbluray,Azzuro/libbluray,koying/libbluray,EdwardNewK/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,vlc-mirror/libbluray,tourettes/libbluray,Azzuro/libbluray,Azzuro/libbluray,tourettes/libbluray,vlc-mirror/libbluray,ace20022/libbluray,tourettes/libbluray,koying/libbluray,vlc-mirror/libbluray,mwgoldsmith/bluray,ace20022/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,koying/libbluray,mwgoldsmith/bluray,koying/libbluray,Azzuro/libbluray,ShiftMediaProject/libbluray