Tweak edit form layout, and improve tests.
Merge pull request #19 from alphagov/edit_form_tweaks

Tweak edit form layout, and improve tests.
Add minor_update and change_description fields to edit form

This depends on uncommitted changes to content_models that will follow later.
Add Timecop
Add integration tests for new publish behaviour

This is actually implemented in the models in govuk_content_models.
Update to new gemfury source URL format

See http://blog.gemfury.com/post/43472005936/unleash-the-fury-io
Indentation
Merge pull request #20 from alphagov/change_metadata

Add travel advice fields to track change metadata
Merge remote branch 'origin/master' into add-map-image-and-pdf

Conflicts:
	Gemfile
	Gemfile.lock
	app/views/admin/editions/edit.html.erb