Build runtime Docker images.

Also added release process to push these images to GCS.

build/release.sh

@@ -0,0 +1,35 @@
+#! /bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Build a Kubernetes release.  This will build the binaries, create the Docker
+# images and other build artifacts.  All intermediate artifacts will be hosted
+# publicly on Google Cloud Storage currently.
+
+set -e
+
+source $(dirname $0)/common.sh
+
+verify-prereqs
+verify-gcs-prereqs
+ensure-gcs-release-bucket
+build-image
+run-build-command build/build-image/make-binaries.sh
+run-build-command build/build-image/make-cross.sh
+run-build-command build/build-image/run-tests.sh
+run-build-command build/build-image/run-integration.sh
+copy-output
+run-image
+push-images-to-gcs