v0.32.0 version bump

CHANGELOG.md

 # Minikube Release Notes
 
+# Version 0.32.0 - 12/21/2018
+
+* Make Kubernetes v1.12.4 the default [#3482](https://github.com/kubernetes/minikube/pull/3482)
+* Update kubeadm restart commands to support v1.13.x [#3483](https://github.com/kubernetes/minikube/pull/3483)
+* Make "stop" retry on failure. [#3479](https://github.com/kubernetes/minikube/pull/3479)
+* VirtualBox time cleanup: sync on boot, don't run timesyncd [#3476](https://github.com/kubernetes/minikube/pull/3476)
+* tee party: Stream cmd output to tests when -v is enabled, and stream SSH output to logs [#3475](https://github.com/kubernetes/minikube/pull/3475)
+* Document None driver docker compatibility [#3367](https://github.com/kubernetes/minikube/pull/3367)
+* Enable host DNS resolution in virtualbox driver by default [#3453](https://github.com/kubernetes/minikube/pull/3453)
+* Fix CRI socket in Kubernetes >= 1.12.0 kubeadmin config [#3452](https://github.com/kubernetes/minikube/pull/3452)
+* Bump dashboard version to v1.10.1 [#3466](https://github.com/kubernetes/minikube/pull/3466)
+* Hide KVM signature when using GPU passthrough to support more GPU models [#3459](https://github.com/kubernetes/minikube/pull/3459)
+* Allow ServiceCIDR to be configured via 'service-cluster-ip-range' flag. [#3463](https://github.com/kubernetes/minikube/pull/3463)
+* Save old cluster config in memory before overwriting [#3450](https://github.com/kubernetes/minikube/pull/3450)
+* Change restart policy on gvisor pod [#3445](https://github.com/kubernetes/minikube/pull/3445)
+
 # Version 0.31.0 - 12/08/2018
 
 * Enable gvisor addon in minikube [#3399](https://github.com/kubernetes/minikube/pull/3399)

Makefile

@@ -14,7 +14,7 @@
 
 # Bump these on release
 VERSION_MAJOR ?= 0
-VERSION_MINOR ?= 31
+VERSION_MINOR ?= 32
 VERSION_BUILD ?= 0
 VERSION ?= v$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_BUILD)
 DEB_VERSION ?= $(VERSION_MAJOR).$(VERSION_MINOR)-$(VERSION_BUILD)
@@ -27,7 +27,7 @@ HYPERKIT_BUILD_IMAGE 	?= karalabe/xgo-1.10.x
 BUILD_IMAGE 	?= k8s.gcr.io/kube-cross:v1.11.1-1
 ISO_BUILD_IMAGE ?= $(REGISTRY)/buildroot-image
 
-ISO_VERSION ?= v0.31.0
+ISO_VERSION ?= v0.32.0
 ISO_BUCKET ?= minikube/iso
 
 MINIKUBE_VERSION ?= $(ISO_VERSION)