Correct the umd/io/umd_io test.

This just based on an actual UMD and run on a PSP.
Merge pull request #55 from unknownbrackets/scheduling

Add a test for sceKernelRotateThreadReadyQueue()
Merge pull request #56 from unknownbrackets/io-minor

Correct the umd/io/umd_io test.
Add a test for the various vblank waiting funcs.
Merge pull request #57 from unknownbrackets/display

Add a test for the various vblank waiting funcs
Add some NAN / INFINITY tests to the fpu.
Merge pull request #58 from unknownbrackets/fpu

Add some NAN / INFINITY compare tests for the fpu
Add more vfpu prefix tests.
Check whether unused prefixes are eaten.
Merge pull request #59 from unknownbrackets/vfpu

Add some more prefix tests for the vfpu
Test float/half conversion instructions.
Merge pull request #60 from unknownbrackets/vfpu

Test float/half conversion instructions
Make the pmf test output less.
Fix and update some gpu tests.
Update and fix some misc tests.
Merge pull request #61 from unknownbrackets/cleanup

Minor fixes to tests
Move individual mutex tests into a single dir.

Cleaner this way.
Cleanup mutex tests and check status info.
Add a test for sceKernelReferMutexStatus().
Move the lwmutex tests all into the same dir.