Create ko_kr.json (thanks to Haru301)

Added minVersion property to remove warning

Better compatibiltiy with Flywheel

Fixed underwater lightning

Correct smooth lighting (Fixed bug with AE2 Drive and GregTech machines)

Using LWJGL's MemoryUtil instead of Unsafe

Avoid using more than 10 threads for chunk building

Using GlStateManager instead of raw GL (provides better mod compatibility)

Some lightning optimizations

Oculus needs to be updated to 1.2.6!