Added top level setup script

setup.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+set -e
+
+cd setup
+./setup.sh
+
+cd ../client
+./setup.sh
+
+cd ../updater
+./setup.sh
+