am 14dc0e7f: am 2548ceb9: am 8c423d72: Merge "Raise the default max-age for client side caching to 43200 (12hrs)." into jb-mr2-docs

* commit '14dc0e7f785fc169195ed304687925e22bb706b7':
  Raise the default max-age for client side caching to 43200 (12hrs).