-Update from WebTranslator v3.0:
croatian - 7 changes by VoyagerOne
frisian - 54 changes by Geoloep
korean - 1 changes by telk5093
spanish - 1 changes by Welder05


git-svn-id: http://svn.openttd.org/trunk@26335 6aa0318a-3be1-0310-93fa-89fd2396df07