Merge pull request #157 from mattt416/juno_horizon_fix

Minor changes to horizon for Juno release
Update Readme/Changelog for release

* Change the clearly outdated things in the README file
* Update Changelog with the release date/version
Merge pull request #155 from claco/readme-changelog-release-fix

Update Readme/Changelog for release
Pin Glance to Juno master and update configs

Move all Swift info to the bottom of the DEFAULT options section

Because there is now a glance_store section, having that in the middle of the
swift store conditional caused the filesystem options to be moved out of
the DEFAULT scope. This makes sure everything is in the right section.