course update to Angular v5

Author: jhades

README.md

@@ -5,7 +5,7 @@
 
 This repository contains the code of the [Angular Forms Course](https://angular-university.io/course/angular2-forms).
 
-This course repository is updated to Angular 4, there is a npm-lock.json file available for avoiding semantic versioning issues.
+This course repository is updated to Angular v5, there is a npm-lock.json file available for avoiding semantic versioning issues.
 
 ![Angular Forms Course](https://angular-academy.s3.amazonaws.com/thumbnails/angular-forms-small-v2.png)
 

package-lock.json

@@ -9,22 +9,23 @@
     "http-server": "^0.9.0"
   },
   "dependencies": {
-    "@angular/common": "4.0.0",
-    "@angular/compiler": "4.0.0",
-    "@angular/core": "4.0.0",
-    "@angular/forms": "4.0.0",
-    "@angular/http": "4.0.0",
-    "@angular/platform-browser": "4.0.0",
-    "@angular/platform-browser-dynamic": "4.0.0",
-    "@angular/router": "4.0.0",
+    "@angular/animations": "^5.0.0",
+    "@angular/common": "^5.0.0",
+    "@angular/compiler": "^5.0.0",
+    "@angular/core": "^5.0.0",
+    "@angular/forms": "^5.0.0",
+    "@angular/http": "^5.0.0",
+    "@angular/platform-browser": "^5.0.0",
+    "@angular/platform-browser-dynamic": "^5.0.0",
+    "@angular/router": "^5.0.0",
+    "core-js": "^2.4.1",
+    "rxjs": "^5.5.2",
+    "zone.js": "^0.8.14",
     "body-parser": "1.15.1",
     "express": "4.13.4",
     "lodash": "4.13.1",
-    "rxjs": "5.1.0",
     "systemjs": "0.19.27",
-    "ts-node": "3.0.2",
-    "typescript": "2.2.0",
-    "zone.js": "0.8.4"
+    "ts-node": "3.0.2"
   },
   "engines": {
     "node": "4.2.1",