-Update from WebTranslator v3.0:
norwegian_bokmal - 1 changes by 
slovak - 5 changes by Milsa


git-svn-id: svn://svn.openttd.org@26704 6aa0318a-3be1-0310-93fa-89fd2396df07
-Fix: WT3 validation error


git-svn-id: svn://svn.openttd.org@26705 6aa0318a-3be1-0310-93fa-89fd2396df07