Release 1.16.
Reinstate SNES Open Bus. It was making Secret of Mana's introduction screen sound like a NES with a rusty audio controller.
Reinstate FAST_ALIGNED_LSB_WORD_ACCESS for 24-bit jumps.
Revert "Reinstate FAST_ALIGNED_LSB_WORD_ACCESS for 24-bit jumps." That's in port.h now.

This reverts commit 3dd99ccae465c370613ded10794749d6253bfe8c.
Permanently remove NO_OPEN_BUS hacks. It was a premature optimisation.