Log Message:
Update ibus-hangul to 1.3.1

ChangeLog:
    Do not normalize keyevent on romaja keyboard

    Dynamic hangul keyboard listing

    Normalize keyval for position before use

    Ignore modifier keys only when they are in hanja key list

    Clear preedit text on ibus_hangul_engine_reset()

    Update lookup table managing code

    Add a new feature

      commit the candidate when it clicked by the user.
      issue #921