controllers: added NES cart validation and mapper controller.
controllers: added NES mapper number detection.
main: added resource support (currently only handling memory resources).
controllers: NES cart is now handled by the nes mapper controller.
main: controllers and CPUs are now only inserted when successfully initialized.
main: added memory read/write region support.
mach: added NES work ram region.
main: fixed issue due to mmap requiring page size aligned offsets.
nes: added NROM mapper.
main: turned all compiler warnings on and fixed them.
main: machines, controllers and CPUs don't require init/deinit routines anymore.
main: added missing static function declarations.
mach: added CHIP-8 machine file.
main: memory ops now get region data instead of region structures as parameters.
main: CPUs now hold machine and private data (also renamed in controllers).
main: added controller multiple-instance support (which can now hold resources).
main: added clock support.
main: added CPU multiple-instance support.
main: changed and improved command line handling capabilities.
main: added video frontend support.