add two flags "text_case_sensitive" "spell_en_oov", to deal with en oov in text

-O2

include boost

deal wstring <=> string with boost, which is portable

update readme

typo

update speech-aligner.cc

cn_phn: accept "syllable" in text

add ignore

need cmake >= 3.1

fix blas find issue

Merge remote-tracking branch 'gitlab/dev-songmeixu'

remove <codecvt>

fix cannot find <codecvt>

Merge remote-tracking branch 'github/master' into dev-songmeixu