fix bug for screenshot

Author: PinkyJie

app/templates/.jshintrc

@@ -49,6 +49,7 @@
         "browser": false,
         "module": false,
         "jasmine": false,
+        "expect": false,
         "describe": false,
         "it": false,
         "element": false,

app/templates/client/source/test/e2e/helper.js

@@ -35,8 +35,8 @@ module.exports = function () {
                 browser.getCapabilities().then(function (capabilities) {
                     var browserName = capabilities.caps_.browserName;
                     var filename = browserName + '-' +
-                        currentSpec.description.replace(/[ :]/, '-') + '.png';
-                    var stream = fs.createWriteStream(browser.params.screenShotDir + filename);
+                        currentSpec.description.replace(/[ :]/g, '-') + '.png';
+                    var stream = fs.createWriteStream(browser.params.screenshotDir + filename);
                     stream.write(new Buffer(png, 'base64'));
                     stream.end();
                 });

app/templates/gulp/gulp.config.js

@@ -188,7 +188,7 @@ module.exports = function () {
                 phone: '.' + client.test + 'e2e/specs/phone.spec.js'
             },
             helper: '.' + client.test + 'e2e/helper',
-            screenshotDir: '.' + client.test + 'e2e/screenshots/'
+            screenshotDir: client.test + 'e2e/screenshots/'
         };
     }