-Update from WebTranslator v3.0:
traditional_chinese - 1 changes by siu238X
hungarian - 31 changes by Brumi
norwegian_bokmal - 1 changes by 
polish - 4 changes by McZapkie


git-svn-id: svn://svn.openttd.org@26701 6aa0318a-3be1-0310-93fa-89fd2396df07