L10n updates for: pl

L10n updates for: pl
From translation svn revision: 24261

Authors:
Grzegorz Zlotowicz <grzezlo@wp.pl>
Hubert Meyer <killer@tyflonet.com>

Stats:
12	2	source/locale/pl/LC_MESSAGES/nvda.po
56	0	user_docs/pl/changes.t2t
90	23	user_docs/pl/userGuide.t2t
 3 files changed, 158 insertions(+), 25 deletions(-)