am 1968b919: am b8a60dad: Merge "docs: Update the staging app.yaml to be compatible with GAE 1.9.4 and higher" into klp-modular-docs

* commit '1968b91937020e8aa826224642733bbb9055af2e':
  docs: Update the staging app.yaml to be compatible with GAE 1.9.4 and higher