-Update from WebTranslator v3.0:
danish - 1 changes by phnoggie
frisian - 147 changes by Geoloep
korean - 130 changes by Phryxia, telk5093
luxembourgish - 1 changes by Phreeze


git-svn-id: http://svn.openttd.org/trunk@26295 6aa0318a-3be1-0310-93fa-89fd2396df07