Merge branch 'master' into zbranzov/appium

Author: Vladimir Amiorkov

nativescript-angular/package.json

@@ -54,7 +54,7 @@
     "@angular/platform-browser": "~8.0.0",
     "@angular/router": "~8.0.0",
     "rxjs": "^6.3.3",
-    "tns-core-modules": "^5.1.0 || >5.1.0- || >5.2.0- || ^6.0.0 || >6.1.0-",
+    "tns-core-modules": "^6.0.0 || >6.1.0-",
     "typescript": "~3.4.5",
     "zone.js": "^0.9.1"
   },