-Update from WebTranslator v3.0:
basque - 35 changes by laxkax
simplified_chinese - 2 changes by Gavin
finnish - 2 changes by jpx_
italian - 1 changes by lorenzodv
korean - 2 changes by telk5093
gaelic - 1 changes by GunChleoc


git-svn-id: http://svn.openttd.org/trunk@26453 6aa0318a-3be1-0310-93fa-89fd2396df07