Localization helper in swift.
###If you want to set Locale to traditional Chinese:
HLLocalizeHelper.setLanguage("zh-Hant");
###Getting string from Localizable.strings:
HLLocalizeHelper.localizedString("LOCALIZE_ME")
###Getting string from Opps.strings:
HLLocalizeHelper.localizedString("LOCALIZE_ME", stringFileName:"Opps")
###Track Language is Set in viewcontroller
NSNotificationCenter.defaultCenter().addObserver(self, selector: "updateViewToNewLanguage", name: HLLanguageDidSetKey, object: nil);