[maven-release-plugin] prepare release gcloud-maven-plugin-2.0.9.72.v20150804
[maven-release-plugin] prepare release gcloud-maven-plugin-2.0.9.72.v20150804

GoogleCloudPlatform/gcloud-maven-plugin,GoogleCloudPlatform/gcloud-maven-plugin,GoogleCloudPlatform/gcloud-maven-plugin