-Update from WebTranslator v3.0:
afrikaans - 1 changes by R2dical
catalan - 34 changes by juanjo
hebrew - 61 changes by oofnik
italian - 1 changes by lorenzodv
korean - 1 changes by telk5093
polish - 1 changes by wojteks86
gaelic - 2 changes by GunChleoc
swedish - 2 changes by spacejens


git-svn-id: http://svn.openttd.org/trunk@26318 6aa0318a-3be1-0310-93fa-89fd2396df07