Version bump to v1.5.2

CHANGELOG.md

 # Release Notes
 
+## Version 1.5.2 - 2019-10-30
+
+* service: fix --url mode, add integration tests [#5790](https://github.com/kubernetes/minikube/pull/5790)
+* Refactor command runner interface, allow stdin writes [#5530](https://github.com/kubernetes/minikube/pull/5530)
+* macOS install docs: Minikube is a normal Homebrew formula now [#5750](https://github.com/kubernetes/minikube/pull/5750)
+
+Thank you to our contributors for this release:
+
+- Issy Long
+- Medya Ghazizadeh
+- Thomas Strömberg
+
 ## Version 1.5.1 - 2019-10-29
 
 * Set Docker open-files limit ( 'ulimit -n') to be consistent with other runtimes [#5761](https://github.com/kubernetes/minikube/pull/5761)

Makefile

@@ -15,12 +15,12 @@
 # Bump these on release - and please check ISO_VERSION for correctness.
 VERSION_MAJOR ?= 1
 VERSION_MINOR ?= 5
-VERSION_BUILD ?= 1
+VERSION_BUILD ?= 2
 RAW_VERSION=$(VERSION_MAJOR).$(VERSION_MINOR).${VERSION_BUILD}
 VERSION ?= v$(RAW_VERSION)
 
 # Default to .0 for higher cache hit rates, as build increments typically don't require new ISO versions
-ISO_VERSION ?= v$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_BUILD)
+ISO_VERSION ?= v$(VERSION_MAJOR).$(VERSION_MINOR).1
 # Dashes are valid in semver, but not Linux packaging. Use ~ to delimit alpha/beta
 DEB_VERSION ?= $(subst -,~,$(RAW_VERSION))
 RPM_VERSION ?= $(DEB_VERSION)
@@ -572,4 +572,4 @@ site: site/themes/docsy/assets/vendor/bootstrap/package.js out/hugo/hugo
 
 .PHONY: out/mkcmp
 out/mkcmp:
-	GOOS=$(GOOS) GOARCH=$(GOARCH) go build -o $@ cmd/performance/main.go
\ No newline at end of file
+	GOOS=$(GOOS) GOARCH=$(GOARCH) go build -o $@ cmd/performance/main.go