Arruma erro de validação do datepicker no chrome.

jqueryValidate-dateFix.js

$(document).ready(function(){
    // fix date validation for chrome
    jQuery.extend(jQuery.validator.methods, {
    	date: function (value, element) {
    		var isChrome = window.chrome;
    		// make correction for chrome
    		if (isChrome) {
    			var d = new Date();
    			return this.optional(element) || 
    			!/Invalid|NaN/.test(new Date(d.toLocaleDateString(value)));
    		}
    		// leave default behavior
    		else {
    			return this.optional(element) || 
    			!/Invalid|NaN/.test(new Date(value));
    		}
    	}
    });
});