Added ignore to config
Added some docs to Config::loadFile() so the IDE has type-hinting
Added FileUtils::matchFilename() to support ignores
Added ignore functionality; fix #25
Added getDefaultLocale() to config class
Default locale should now be specified by the config file; fix #21
Added a French PO file (thanks google translate)
Added getTargetPathForLocale()
Added configurable build directories for different locales