Bump version to 1.5.0-beta1 in prep for release (#1465)

* Bump version to 1.5.0-beta1 in prep for release

* Add missing bower and package json version bumps

bower.json

 {
   "name": "kubernetes-dashboard",
-  "version": "1.4.1",
+  "version": "1.5.0-beta1",
   "dependencies": {
     "angular": "~1.5.7",
     "angular-animate": "~1.5.7",

build/conf.js

@@ -59,7 +59,7 @@ const version = {
   /**
    * Current release version of the project.
    */
-  release: 'v1.4.2',
+  release: 'v1.5.0-beta1',
   /**
    * Version name of the head release of the project.
    */

package.json

 {
   "//": "Specification of this file can be found at: https://docs.npmjs.com/files/package.json",
   "name": "kubernetes-dashboard",
-  "version": "1.4.2",
+  "version": "1.5.0-beta1",
   "repository": {
     "type": "git",
     "url": "https://github.com/kubernetes/dashboard.git"

src/deploy/kubernetes-dashboard.yaml

@@ -46,7 +46,7 @@ spec:
     spec:
       containers:
       - name: kubernetes-dashboard
-        image: gcr.io/google_containers/kubernetes-dashboard-amd64:v1.4.2
+        image: gcr.io/google_containers/kubernetes-dashboard-amd64:v1.5.0-beta1
         imagePullPolicy: Always
         ports:
         - containerPort: 9090