mruby binding of mozilla universal charset detector.
Files under src/(except mrb_uchardet.cxx) is originally from gecko-dev.
I've modified it to build without nscore.h and some other dependencies.
Following the original code so this code is under Mozilla Public License 2.0.
Only copyright of src/mrb_uchardet.cxx is Copyright (c) 2014 Takeshi Watanabe.