Vue Project Setup (#8018)

* add files for new client side and reorg gulp tasks

* add deps and script for new client

* fix webpack paths so that building works

* fix static assets not copied into prod build

* fix linting

* add eslint deps and re-enable it in webpack

* add most missing deps for client side and split .babelrc for client

* reorganize .eslintignore

* update client tests paths and .gitignore

* uncomment code

* client: move App component

* client: update oaths in App component

* fix client tests and add more deps

* add client side tests to npm test

* fix typo in depencency name

* update more deps

* fix karma.conf.js and upgrade phantomjs

* fix dep and move karma.conf to subdirectory

* update karma.conf.js position in Gruntfile

* try downgrading phantomjs

* Fixup client tests (#8032)

* Use phantom 2

* fix(tests): Fix refresher test

* gitignore translation mock

* Update karma version

* disable e2e tests for new client from build

* write vue templates with pug

* add basic routing

* remove unnecessary Function.bind shim

* remove unused dependency

test/client/e2e/runner.js

@@ -0,0 +1,31 @@
+// 1. start the dev server using production config
+process.env.NODE_ENV = 'testing';
+var server = require('../../../webpack/dev-server.js');
+
+// 2. run the nightwatch test suite against it
+// to run in additional browsers:
+//    1. add an entry in test/e2e/nightwatch.conf.json under "test_settings"
+//    2. add it to the --env flag below
+// or override the environment flag, for example: `npm run e2e -- --env chrome,firefox`
+// For more information on Nightwatch's config file, see
+// http://nightwatchjs.org/guide#settings-file
+var opts = process.argv.slice(2);
+if (opts.indexOf('--config') === -1) {
+  opts = opts.concat(['--config', 'test/client/e2e/nightwatch.conf.js']);
+}
+if (opts.indexOf('--env') === -1) {
+  opts = opts.concat(['--env', 'chrome']);
+}
+
+var spawn = require('cross-spawn');
+var runner = spawn('./node_modules/.bin/nightwatch', opts, { stdio: 'inherit' });
+
+runner.on('exit', function (code) {
+  server.close();
+  process.exit(code);
+});
+
+runner.on('error', function (err) {
+  server.close();
+  throw err;
+});