langpacks/polish: update

git-svn-id: http://svn.miranda-ng.org/main/trunk@7893 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
fix for choosing nick's color for devoiced contacts 

git-svn-id: http://svn.miranda-ng.org/main/trunk@7894 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
VKontakte: chats don't go offline when a protocol does

git-svn-id: http://svn.miranda-ng.org/main/trunk@7895 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c