-Update from WebTranslator v3.0:
frisian - 28 changes by Geoloep
marathi - 27 changes by rbarde
slovak - 3 changes by Milsa


git-svn-id: http://svn.openttd.org/trunk@26336 6aa0318a-3be1-0310-93fa-89fd2396df07
-Update from WebTranslator v3.0:
czech - 3 changes by Eskymak
dutch - 7 changes by habell
frisian - 61 changes by Geoloep
luxembourgish - 72 changes by Phreeze
polish - 1 changes by wojteks86
portuguese - 7 changes by babribeiro
gaelic - 6 changes by GunChleoc
spanish - 3 changes by Welder05


git-svn-id: http://svn.openttd.org/trunk@26337 6aa0318a-3be1-0310-93fa-89fd2396df07