Problem in substituting translated language

Dear All,
Hi
I have a big problem. I want to add the Persian language to Bonita studio. BTW, It made based on Eclipse Babel. Because lack of supporting the Persian language in Eclipse Luna, I can't do that. I decided to substitute the Persian "*.properties" files that I get from translation site for the French language. I have copied them to the "fr" folder in bonita-studio/translation directory. After Compilation it works. However, Some words for button such as Yes, No, and
Cancel does not changed yet. I think they doesn't belong to ".properties" files.
How can I solve the problem?

Best Wishes.
REZA