Match message dialog with real PSP

This should be come very close to real PSP message dialog . Since english and japanese font have different wrap width and that's why we cannot render them correctly previously.

Try to test it and beat me :)
![screen00000](https://f.cloud.github.com/assets/3000282/723404/1561e20c-e017-11e2-9551-ceb1b4bdfdd1.jpg)
![screen00001](https://f.cloud.github.com/assets/3000282/723405/1794d688-e017-11e2-8cc4-e8982773f83a.jpg)
![screen00002](https://f.cloud.github.com/assets/3000282/723406/197330d0-e017-11e2-98fa-f02b08edf6c1.jpg)