First published at should not be set on speeches
Move the slugs for No10 and DPMO

Separate Puppet pull request to come with redirection. This needs to be
released first.

https://www.pivotaltracker.com/story/show/47364021
Make publication_date and delivered_on datetime

warn if publication or delivered on date is in the future

We check .check-date-valid on the label this is used to determin the
id's of the date selects

.date-warning-info is used on the message

Fix more tests

Should use Time.zone to avoid timezone issues
Merge pull request #457 from alphagov/move-executive-offices

Move the slugs for No10 and DPMO

https://www.pivotaltracker.com/story/show/47364021
Merge pull request #464 from alphagov/fix-date-issues-on-editions

Fix date issues on editions

https://www.pivotaltracker.com/story/show/48147091
https://www.pivotaltracker.com/story/show/48077405
https://www.pivotaltracker.com/story/show/45325579