Use ng-metadata as a Backport of Angular 2+ API (#2486)

* starting UtilService refactor

* pre find-replace angular.module('quay') => angular.module('QuayModule')

* successfully switched to ng-metadata for backported Angular2 API

* working with parent component reference in child

* fixing @Output to use EventEmitter

* fixed @Output events for custom git trigger

* more fixes

* refactored QuayPages module for backwards-compatibility

* reinitialized test.db

* use minified libraries

* replaced references for angular-ts-decorators

* fixed ng-show

tsconfig.json

@@ -5,6 +5,7 @@
     "module": "commonjs",
     "outDir": "./build/",
     "target": "es5",
+    "lib": ["es2017", "dom"],
     "experimentalDecorators": true,
     "sourceMap": true,
     "paths": {