SirSengir/BuildCraft — pull request #458 by psxlover (2012-11-29 13:48:40+00:00)
Title: Change localization to allow mapping inheritance. 

Now a language like es_AR can use the mappings from a parent language (es_ES) instead of duplicating them, and only specify the ones that are different from the parent.

The child languages only need a field specifying the parent language e.g.:
language.parent=es_ES

Any mappings that are not specified in the file will be inherited from the father language.