-Update from WebTranslator v3.0:
dutch - 1 changes by habell
korean - 3 changes by telk5093
luxembourgish - 76 changes by Phreeze
polish - 20 changes by Kilian


git-svn-id: http://svn.openttd.org/trunk@26603 6aa0318a-3be1-0310-93fa-89fd2396df07
-Add: Most of the mapgen settings to advances settings window.

git-svn-id: http://svn.openttd.org/trunk@26604 6aa0318a-3be1-0310-93fa-89fd2396df07