Update dependencies for version 12.0.0-alpha4

bower.json

@@ -15,13 +15,15 @@
     "node_modules",
     "bower_components",
     "test",
-    "tests"
+    "tests",
+    "update-core-version.js"
   ],
   "dependencies": {
-    "vaadin-core": "12.0.0-alpha3",
+    "vaadin-core": "vaadin-core#12.0.0-alpha4",
     "vaadin-board": "vaadin-board#2.1.0-alpha1",
     "vaadin-charts": "vaadin-charts#6.2.0-alpha1",
     "vaadin-confirm-dialog": "vaadin-confirm-dialog#1.1.0-alpha1",
-    "vaadin-cookie-consent": "vaadin-cookie-consent#1.1.0-alpha2"
+    "vaadin-cookie-consent": "vaadin-cookie-consent#1.1.0-alpha2",
+    "vaadin-app-layout": "vaadin-app-layout#1.0.0-alpha2"
   }
 }

package.json

@@ -1,16 +1,21 @@
 {
-  "name": "vaadin",
-  "version": "12.0.0-alpha3",
-  "description": "Vaadin Elements is an evolving set of open source custom HTML elements, built using Polymer, for building mobile and desktop web applications in modern browsers.",
+  "name": "@vaadin/vaadin",
+  "version": "",
+  "description": "Vaadin Elements is an evolving set of open source custom HTML elements for building mobile and desktop web applications in modern browsers.",
   "author": "Vaadin Ltd",
   "license": "(Apache-2.0 OR SEE LICENSE IN https://vaadin.com/license/cval-3.0)",
   "dependencies": {
-    "bower": "latest"
+    "@vaadin/vaadin-core": "12.0.0-alpha4",
+    "@vaadin/vaadin-board": "2.1.0-alpha1",
+    "@vaadin/vaadin-charts": "6.2.0-alpha1",
+    "@vaadin/vaadin-confirm-dialog": "1.1.0-alpha1",
+    "@vaadin/vaadin-cookie-consent": "1.1.0-alpha2",
+    "@vaadin/vaadin-app-layout": "1.0.0-alpha2"
   },
+  "files": [],
   "scripts": {
     "version": "node update-core-version.js && git add bower.json"
   },
-  "devDependencies": {},
   "keywords": [
     "vaadin",
     "core",
@@ -20,4 +25,4 @@
     "webcomponents",
     "web-components"
   ]
-}
+}