Disable tests and etc. when destroying framebufs.

Fixes #6678.  May fix problems loading savestates as well.
Disassemble bne/etc. using rs, rt order.

The order makes more logical sense from game disassembly, and matches the
assembler.  Fixes #6632.
Show the replaced instruction in disassembly.

Useful while debugging.
Wrong permission in jpn0.pgf. It should have the same as other files (-rw-rw-r--).
(Libretro) Add locked CPU Speed core option
(Libretro) Add more core options
Merge remote-tracking branch 'upstream/master'

Conflicts:
	libretro/libretro.cpp