Update CHANGELOG for 1.5.0-beta.0
Update CHANGELOG for 1.5.0-beta.0

dalehamel/minikube,dlorenc/minikube,warmchang/minikube,warmchang/minikube,kubernetes/minikube,dalehamel/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,warmchang/minikube,warmchang/minikube,dlorenc/minikube,warmchang/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,dlorenc/minikube,dalehamel/minikube,kubernetes/minikube,kubernetes/minikube