Modified build dependency to exclude 'LEGAL' from libmruby archive.
Improve checking for unterminated string in mirb
Define isascii for C99
stdint header seems required on osx for uint8_t
Merge pull request #1116 from kurodash/pr-exclude-legal-from-archive

Modified build dependency to exclude 'LEGAL' from libmruby archive.
Merge pull request #1145 from h2so5/fix-mirb

Improve checking for unterminated string in mirb
Merge pull request #1146 from kano4/pr-define-isascii-for-c99

Define isascii for C99
Merge pull request #1147 from schmurfy/dump_osx

stdint header seems required on osx for uint8_t