Polish translation update.
Polish translation update.

* subversion/po/pl.po: added more translations and updated some fuzzy
messages. Done make locale-gnu-po-update

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion