=== Rainbows! 5.1.0 - rack 2.x compat, EM fixes / 2017-01-12 22:39 UTC

  This release now supports rack 2.x along with existing rack 1.x
  applications.  Additionally, we now wait for deferred actions
  for EventMachine users on graceful shutdown.

  Thanks to Julia López Aladro and <alex0375@gmail.com> for
  bringing up these changes in the open-to-all
  rainbows-public@bogomips.org mailing list:

    https://bogomips.org/rainbows-public/CAPhSs6OAU+motd+MF=WOSek9==StLjEQJsNwAO3-aRWCZzhs=g@mail.gmail.com/T/

    https://bogomips.org/rainbows-public/CAKwvcL-VH3we4qA1pkNAstTmWvqNA=Rir2N_YiWztV_qbaLQvA@mail.gmail.com/T/

  There's also a few documentation and test fixes.

  9 changes since Rainbows! 5.0.0:

        doc: bump olddoc to ~> 1.2 for extra NNTP URLs
        doc: move homepage and update URLs to HTTPS
        doc: Static_Files: remove Future section
        tests: use correct file:// URL for random_blob path
        support rack 2.x
        Revert "t/t0044-autopush.sh: remove test"
        tests: re-enable EventMachine tests, again
        eventmachine: wait for deferred actions to finish
        doc: additional disclaimers