Update to go 1.10.1 everywhere.

Author: dlorenc

.travis.yml

@@ -3,7 +3,7 @@ os: linux
 sudo: required
 
 go:
-  - 1.9.x
+  - 1.10.x
 go_import_path: k8s.io/minikube
 
 install:

Makefile

@@ -22,8 +22,8 @@ INSTALL_SIZE ?= $(shell du out/minikube-windows-amd64.exe | cut -f1)
 BUILDROOT_BRANCH ?= 2017.11
 REGISTRY?=gcr.io/k8s-minikube
 
-HYPERKIT_BUILD_IMAGE 	?= karalabe/xgo-1.8.3
-BUILD_IMAGE 	?= k8s.gcr.io/kube-cross:v1.9.1-1
+HYPERKIT_BUILD_IMAGE 	?= karalabe/xgo-1.10.x
+BUILD_IMAGE 	?= k8s.gcr.io/kube-cross:v1.10.1-1
 ISO_BUILD_IMAGE ?= $(REGISTRY)/buildroot-image
 
 ISO_VERSION ?= v0.26.0