-Update from WebTranslator v3.0:
belarusian - 33 changes by KorneySan
brazilian_portuguese - 100 changes by Tucalipe
russian - 2 changes by KorneySan
welsh - 4 changes by kazzie


git-svn-id: http://svn.openttd.org/trunk@26851 6aa0318a-3be1-0310-93fa-89fd2396df07
-Fix: WT3 validation error


git-svn-id: http://svn.openttd.org/trunk@26852 6aa0318a-3be1-0310-93fa-89fd2396df07
-Cleanup [Squirrel]: remove some stuff that we never did and especially never should use


git-svn-id: http://svn.openttd.org/trunk@26853 6aa0318a-3be1-0310-93fa-89fd2396df07
-Codechange: Don't override computed minimal size with static minimal size, instead only increase it.


git-svn-id: http://svn.openttd.org/trunk@26854 6aa0318a-3be1-0310-93fa-89fd2396df07