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

gulp/gulp-build.js

@@ -0,0 +1,42 @@
+import gulp from 'gulp';
+import runSequence from 'run-sequence';
+import babel from 'gulp-babel';
+require('gulp-grunt')(gulp);
+
+gulp.task('build', () => {
+  if (process.env.NODE_ENV === 'production') {
+    gulp.start('build:prod');
+  } else {
+    gulp.start('build:dev');
+  }
+});
+
+gulp.task('build:src', () => {
+  return gulp.src('website/server/**/*.js')
+    .pipe(babel())
+    .pipe(gulp.dest('website/transpiled-babel/'));
+});
+
+gulp.task('build:common', () => {
+  return gulp.src('website/common/script/**/*.js')
+    .pipe(babel())
+    .pipe(gulp.dest('website/common/transpiled-babel/'));
+});
+
+gulp.task('build:server', ['build:src', 'build:common']);
+
+gulp.task('build:dev', ['browserify', 'prepare:staticNewStuff'], (done) => {
+  gulp.start('grunt-build:dev', done);
+});
+
+gulp.task('build:dev:watch', ['build:dev'], () => {
+  gulp.watch(['website/client-old/**/*.styl', 'website/common/script/*']);
+});
+
+gulp.task('build:prod', ['browserify', 'build:server', 'prepare:staticNewStuff'], (done) => {
+  runSequence(
+    'grunt-build:prod',
+    'apidoc',
+    done
+  );
+});