[maven-release-plugin] prepare release google-storage-plugin-0.3
[maven-release-plugin] prepare release google-storage-plugin-0.3

astroilov/google-storage-plugin,jenkinsci/google-storage-plugin,agoulti/google-storage-plugin,astroilov/google-storage-plugin,noamtcohen/google-storage-plugin,agoulti/google-storage-plugin,noamtcohen/google-storage-plugin,jenkinsci/google-storage-plugin