fix(@angular/cli): add jasmine html report when using code coverage flag

fixes #5136

Author: delasteve

Diff for: packages/@angular/cli/blueprints/ng/files/karma.conf.js

@@ -12,7 +12,7 @@ module.exports = function (config) {
       require('karma-coverage-istanbul-reporter'),
       require('@angular/cli/plugins/karma')
     ],
-    client:{
+    client: {
       clearContext: false // leave Jasmine Spec Runner output visible in browser
     },
     files: [
@@ -22,17 +22,17 @@ module.exports = function (config) {
       './<%= sourceDir %>/test.ts': ['@angular/cli']
     },
     mime: {
-      'text/x-typescript': ['ts','tsx']
+      'text/x-typescript': ['ts', 'tsx']
     },
     coverageIstanbulReporter: {
-      reports: [ 'html', 'lcovonly' ],
+      reports: ['html', 'lcovonly'],
       fixWebpackSourcePaths: true
     },
     angularCli: {
       environment: 'dev'
     },
     reporters: config.angularCli && config.angularCli.codeCoverage
-              ? ['progress', 'coverage-istanbul']
+              ? ['progress', 'coverage-istanbul', 'kjhtml']
               : ['progress', 'kjhtml'],
     port: 9876,
     colors: true,