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

website/client-old/js/app.js

@@ -3,13 +3,13 @@
 /* Refresh page if idle > 6h */
 var REFRESH_FREQUENCY = 21600000;
 var refresh;
-var refresher = function() {
+window.refresher = function() {
   window.location.reload(true);
 };
 
 var awaitIdle = function() {
   if(refresh) clearTimeout(refresh);
-  refresh = setTimeout(refresher, REFRESH_FREQUENCY);
+  refresh = setTimeout(window.refresher, REFRESH_FREQUENCY);
 };
 
 awaitIdle();