CJK offsets were wrong compared to encodings.dat file and buffers were
read past their end.
Rewrote indexing to make it match the Python script and optimize
slightly
Different platforms have different levels of support of encodings and
often have slight variations. We already have tables for most encoding
with only CJK missing. Full transcoding inclusion allows us to get reliable
encoding results independently of platform. The biggest con is the need for
external tables encoding.dat.
It removes a duplicate table for korean in graphics/korfont.cpp
This can be handled differently by each conversion method.
The "Šáleček" could be transliterated as "Salecek" or as
"S'alecek" or maybe even differently.
