Updated CHANGELOG, Makefile, and releases.json for v0.7.1 release

CHANGELOG.md

 # Minikube Release Notes
 
+## Version 0.7.1 - 7/27/2016
+* Fixed a filepath issue which caused `minikube start` to not work properly on Windows
+
 ## Version 0.7.0 - 7/26/2016
 * Added experimental support for Windows.
 * Changed the etc DNS port to avoid a conflict with deis/router.

Makefile

@@ -16,7 +16,7 @@
 export GO15VENDOREXPERIMENT=1
 
 # Bump this on release
-VERSION ?= v0.7.0
+VERSION ?= v0.7.1
 
 GOOS ?= $(shell go env GOOS)
 GOARCH ?= $(shell go env GOARCH)

deploy/minikube/releases.json

 [
+  {
+    "name": "v0.7.1"
+  },
   {
     "name": "v0.7.0"
   },