PUBDEV-4981: Release notes for 3.14.0.4 (#1602)
PUBDEV-4981: Release notes for 3.14.0.4 (#1602)

* PUBDEV-4981: Release notes for 3.14.0.4

Final version here and attached to the jira ticket.

* Updated release date

Changed the release date to today (October 6).

h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,michalkurka/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3