Improve sceIo to pass io autotest.
io/io, io/cwd, io/directory ok
io/file still have a file mode fail
Change cast which break build on linux
submodule sync
Forget headless file
Add some checks to make sure ZERO is never set.
Simplify CompileDelaySlot().
Add DELAYSLOT and LIKELU flags to some ops.

Should improve cycle estimate, and makes analysis easier.
Add some optional logging to debug jit branching.
Improve the speed of branch debugging a bit.
Decrement downcount in the interpreter.
Merge pull request #460 from unknownbrackets/downcount

Decrement downcount in the interpreter
Merge pull request #459 from unknownbrackets/jit-branch

Jit branch debugging
Merge pull request #458 from Xele02/testsceio

Improve sceIo for passing autotest
Buildfix for Windows.
Merge remote-tracking branch 'upstream/master' into tieba