Merge pull request #676 from alphagov/update-holiday-messaging

Update holiday messaging

Merge pull request #671 from alphagov/rails-4-2-11-update

Update Rails to address vulnerability in Active Job

Merge pull request #670 from alphagov/lock-paperclip

Lock paperclip to 5.x branch

Merge pull request #667 from alphagov/make-verify-idempotent

Make signature verification idempotent

Merge pull request #666 from alphagov/only-show-signature-data-for-pu…

…blished-petitions

Don't show 'signatures by x' on rejected petitions

Merge pull request #665 from alphagov/sanitize-postcode-dashes

Strip hyphens and en/em dashes from the postcode before validating

Merge pull request #664 from alphagov/fix-search-result-urls

Use correct archived petition urls in search results

Merge pull request #662 from alphagov/add-html-template-for-feedback-…

…messages

Add a HTML template for feedback messages

Merge pull request #661 from alphagov/add-gov-responded-date

Display date of government response on home page and petition page

Restore tag accidentally deleted in 7026c59