restore composer.json, add mysqli extension

public/vendor/editor/karma.conf.js

@@ -0,0 +1,42 @@
+var webpackConfig = require('./config/webpack.config.dev.js');
+
+module.exports = function (config) {
+  config.set({
+    frameworks: ['mocha', 'detectBrowsers', ],
+    colors: true,
+    logLevel: config.LOG_INFO,
+
+    files: [
+      'node_modules/jquery/dist/jquery.js',
+      { pattern: 'src/js/**/*.js' },
+      { pattern: 'test/**/*.spec.js' }
+    ],
+
+    detectBrowsers: {
+      enabled: true,
+      usePhantomJS: false,
+      preferHeadless: true,
+      postDetection: function(availableBrowsers) {
+        return (config.browsers.length === 0) ? availableBrowsers.slice(0, 1) : [];
+      }
+    },
+
+    preprocessors: {
+      'src/js/**/*.js': ['webpack', ],
+      'test/**/*.spec.js': ['webpack', ],
+    },
+
+    webpack: webpackConfig,
+    webpackMiddleware: {
+      stats: 'errors-only',
+    },
+
+    reporters: ['dots'],
+    coverageReporter: {
+      type: 'lcov',
+      dir: 'coverage/',
+      includeAllSources: true
+    },
+    browserNoActivityTimeout: 60000,
+  });
+};