-Update from WebTranslator v3.0:
simplified_chinese - 6 changes by siu238X
norwegian_bokmal - 52 changes by eirik174
swedish - 49 changes by BerraGson


git-svn-id: svn://svn.openttd.org@26697 6aa0318a-3be1-0310-93fa-89fd2396df07