-Update from WebTranslator v3.0:
basque - 56 changes by laxkax


git-svn-id: http://svn.openttd.org/trunk@26447 6aa0318a-3be1-0310-93fa-89fd2396df07
-Fix [FS#5970]: Avoid division by 0 when scaling flow values.

git-svn-id: http://svn.openttd.org/trunk@26448 6aa0318a-3be1-0310-93fa-89fd2396df07
-Add: Allow more sound sleep for dedicated servers when there's nothing to do and nobody paying attention

git-svn-id: http://svn.openttd.org/trunk@26449 6aa0318a-3be1-0310-93fa-89fd2396df07
-Feature: Hierarchical vehicle subgroups.


git-svn-id: http://svn.openttd.org/trunk@26450 6aa0318a-3be1-0310-93fa-89fd2396df07
-Change: Document GroupIsInGroup() function.


git-svn-id: http://svn.openttd.org/trunk@26451 6aa0318a-3be1-0310-93fa-89fd2396df07