Update to 2.0.1
    
    - Update translations from zanata (ja updated)
    - Update emoji annotations from CLDR
    - Fix some bugs in the usage of “prefix” for prefixes other than “/usr” (For FreeBSD)
    - Make itb_util.get_ime_help() work on FreeBSD
    - Update UnicodeData.txt to Unicode 11.0.0
    - Remove useless 't-nil vi-base': 'vi-base.mim', from M17N_INPUT_METHODS
    - Remove extra space in entry for sa-IAST input method to make it work
    - Show in the setup  tool in the input listbox whether minput_open_im() succeeded.
    - Use the rocket icon emoji_u1f680.svg from the “Noto Color Emoji” font