* commit '4a6095c5ef87eb6c10b99829efd6a84fe9fc0c70': docs: Update the staging app.yaml to be compatible with GAE 1.9.4 and higher
* commit '4a6095c5ef87eb6c10b99829efd6a84fe9fc0c70': docs: Update the staging app.yaml to be compatible with GAE 1.9.4 and higher