SCI: text16 GetLongest() changes fixes bug #5334
also fixes bug #5159
also fixes Japanese line wrapping (hopefully)
SCI: fix bug in text16 / GetLongest()
SCI: fix another bug in text16 / GetLongest()
SCI: text16 Shift-JIS font switch fixed
fixes Police Quest 2 Japanese intro and others,
where the internal SCI font was used and not
the Shift-JIS hires font
SCI: add support for \n and \r in Japanese text
fixes Police Quest 2 Japanese intro
thx to wjp for helping