gistfile1.js

    function getTemplateAsync (templateName) {
        var dfd = $q.defer();

        var template = $templateCache.get(templateName);

        if (!template) {
            $http.get(templateName).success(function (data) {
                $templateCache.put(templateName);
                dfd.resolve(data);
            });
        } else {
            $timeout(function () {
                dfd.resolve(template);
            });
        }

        return dfd.promise;
    }