change itaiji dict format same as unihandecode

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
use kanwa dic loader same as unihandecode

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
kanwa.py is now as same as unihandecode

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
Merge branch 'catch_unihandecode'