Update npm tag

.travis.yml

@@ -60,7 +60,7 @@ before_deploy:
 - cd $PACKAGE_NAME
 - rm ../.deploymentpackage
 - mv ../build ./
-- node ./build/travis-scripts/add-publishConfig.js internal-preview
+- node ./build/travis-scripts/add-publishConfig.js next
 deploy:
   provider: npm
   email: nativescript@telerik.com

build/run-testsapp.grunt.js

@@ -206,8 +206,7 @@ module.exports = {
                     cwd: localCfg.applicationDir
                 },
                 "npm-i-widgets": {
-                    // HACK: switch to @next when it gets switched to the 3.0 branch
-                    cmd: "npm i tns-core-modules-widgets@internal-preview",
+                    cmd: "npm i tns-core-modules-widgets@next",
                     cwd: localCfg.applicationDir
                 }
             },

tns-core-modules/package.json

@@ -24,7 +24,7 @@
   "license": "Apache-2.0",
   "typings": "tns-core-modules.d.ts",
   "dependencies": {
-    "tns-core-modules-widgets": "internal-preview"
+    "tns-core-modules-widgets": "next"
   },
   "devDependencies": {
     "@types/node": "~7.0.5",