feat: new Web UI build system

- use generator-gulp-angular by @swiip
- remove old static file

webui/gulp/e2e-tests.js

@@ -0,0 +1,38 @@
+'use strict';
+
+var path = require('path');
+var gulp = require('gulp');
+var conf = require('./conf');
+
+var browserSync = require('browser-sync');
+
+var $ = require('gulp-load-plugins')();
+
+// Downloads the selenium webdriver
+gulp.task('webdriver-update', $.protractor.webdriver_update);
+
+gulp.task('webdriver-standalone', $.protractor.webdriver_standalone);
+
+function runProtractor (done) {
+  var params = process.argv;
+  var args = params.length > 3 ? [params[3], params[4]] : [];
+
+  gulp.src(path.join(conf.paths.e2e, '/**/*.js'))
+    .pipe($.protractor.protractor({
+      configFile: 'protractor.conf.js',
+      args: args
+    }))
+    .on('error', function (err) {
+      // Make sure failed tests cause gulp to exit non-zero
+      throw err;
+    })
+    .on('end', function () {
+      // Close browser sync server
+      browserSync.exit();
+      done();
+    });
+}
+
+gulp.task('protractor', ['protractor:src']);
+gulp.task('protractor:src', ['serve:e2e', 'webdriver-update'], runProtractor);
+gulp.task('protractor:dist', ['serve:e2e-dist', 'webdriver-update'], runProtractor);