ROMLoader: Disabled temporarily detection for iNES 2.0 headers (ROMs with iNES 2.0 still pretty much don't exist anyway).
Board:
- added mapper 9 (PxROM - MMC2),
- added mapper 10 (FxROM - MMC4),
- added mapper 11 (Color Dreams),
- added mapper 13 (CPROM),
- added mapper 34 (BxROM and AVE-NINA-01),
- added mapper 66 (GxROM),
- added mapper 71 (Camerica).