Juno Release Notes

Change-Id: I4ff43fc5107937b833a772d6ef0aa36238c291f2
Fixing typo

Change-Id: Ibf5f0af006fbf34f8d87f1adce971c1d1c8cc9f4
Refactor metering dashboard

- check date range for validity
- use django forms
- treat times according to users timezone

Change-Id: I68182ddb4b00d19e54011722ebc770d9aa8e725c
Closes-bug: #1331427
Closes-bug: #1331434
Closes-bug: #1288512
Merge "Fixing typo"
Merge "Refactor metering dashboard"
Merge "Juno Release Notes"
Merge branch 'master' of https://github.com/openstack/horizon