langpacks/polish: update

git-svn-id: http://svn.miranda-ng.org/main/trunk@8388 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
"MetaContacts Hidden Group" removed forever

git-svn-id: http://svn.miranda-ng.org/main/trunk@8389 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
fix for removing a contact

git-svn-id: http://svn.miranda-ng.org/main/trunk@8390 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
metacontact creation fix

git-svn-id: http://svn.miranda-ng.org/main/trunk@8391 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
we are not removing hidden contacts (from Mataes)

git-svn-id: http://svn.miranda-ng.org/main/trunk@8392 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
polish langpack fix (patch by bunnyhoney)

git-svn-id: http://svn.miranda-ng.org/main/trunk@8393 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c