Bump to iso version 0.4.0

CHANGELOG.md

 # Minikube Release Notes
 
-## Version 0.4.0 - 6/24/2016
+## Version 0.4.0 - 6/27/2016
 * Updated Kubernetes components to v1.3.0-beta.1
+* Updated the Kubernetes Dashboard to v1.1.0
 * Added a check for updates to minikube.
 * Added a driver for VMWare Fusion on OSX.
 * Added a flag to customize the memory of the minikube VM.

pkg/minikube/constants/constants.go

@@ -51,7 +51,7 @@ var SupportedVMDrivers = [...]string{
 }
 
 const (
-	DefaultIsoUrl   = "https://storage.googleapis.com/minikube/minikube-0.3.iso"
+	DefaultIsoUrl   = "https://storage.googleapis.com/minikube/minikube-0.4.iso"
 	DefaultMemory   = 1024
 	DefaultVMDriver = "virtualbox"
 )