-Update from WebTranslator v3.0:
simplified_chinese - 5 changes by siu238X, xiangyigao
traditional_chinese - 2 changes by siu238X
czech - 1 changes by marek995
german - 1 changes by Jogio


git-svn-id: http://svn.openttd.org/trunk@26444 6aa0318a-3be1-0310-93fa-89fd2396df07