code: function( locale, messages ) {
  			if ( !this.messages[locale] ) {
  				this.messages[locale] = messages;
  			} else {
  				this.messages[locale] = $.extend( this.messages[locale], messages );
  			}
  		}
docs: Set messages to the given locale.
  If locale exists, add messages to the locale.
  @param locale
  @param messages