[maven-release-plugin] prepare release gcloud-maven-plugin-2.0.9.74.v20150814
[maven-release-plugin] prepare release gcloud-maven-plugin-2.0.9.74.v20150814

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