[FIXED] Incomplete polish translation

[misqu]

Hi

I have notice that not every message is translated into polish language in GXT 2.0.

For example tabPanelItem_closeOtherText.

If you need help with polish translation, I can help.

[sven]

It would be kind of you if you could give as the translations, we will implement them than

[sven]

Fixed in SVN.