angular-translate/angular-translate — pull request #627 by tspaeth (2014-07-01 14:38:12+00:00)
Title: fix(service): Fallback handling / feat(service): preferredLanguage setter during runtime 

fix(service): addition of preferred language to fallback language stackis now preventing duplication if already contained in the fallback stack
feat(service): preferredLanguage can now be set during runtime if needed