fix(new): --ng4 tells yarn to use latest Angular packages

Fixes angular#4611

Author: Meligy

packages/@angular/cli/blueprints/ng2/files/package.json

@@ -12,21 +12,21 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/common": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/compiler": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/core": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/forms": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/http": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/platform-browser": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/platform-browser-dynamic": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
-    "@angular/router": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^3.4.0' %>",
+    "@angular/common": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/compiler": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/core": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/forms": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/http": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/platform-browser": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/platform-browser-dynamic": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
+    "@angular/router": "<%= ng4 ? '>=next <5.0.0' : '^3.4.0' %>",
     "core-js": "^2.4.1",
     "rxjs": "^5.1.0",
     "zone.js": "^0.7.6"
   },
   "devDependencies": {
     "@angular/cli": "<%= version %>",
-    "@angular/compiler-cli": "<%= ng4 ? '>=4.0.0-beta <5.0.0' : '^2.4.0' %>",
+    "@angular/compiler-cli": "<%= ng4 ? '>=next <5.0.0' : '^2.4.0' %>",
     "@types/jasmine": "2.5.38",
     "@types/node": "~6.0.60",
     "codelyzer": "~2.0.0-beta.4",