GDPR Release

• Update privacy & cookies page for GDPR
• Generate SSL certs for testing on demand
• Update data generator task to run correctly
• Fix typo in 403 error page
• Switch to using GTM for managing Google Analytics
• Add admin option to subscribe a signature for updates

Rollup small fixes

• Refactor Active Job logging monkey patch
• Add party to the constituency model
• Add /constituencies.json API endpoint
• Optimise signing process
  • Reduce SQL query count
  • Move Parliament API lookup to background job
• Add opt-in checkbox for receiving updates to comply with GDPR
• Update form elements to match latest govuk_elements styles

Add Easter moderation delay message

Merge pull request #645 from alphagov/add-easter-message

Add a moderation delay message for Easter

Update loofah to mitigate CVE-2018-8048

See flavorjones/loofah#144

Allow moderators to unsubscribe signatures

Merge pull request #644 from alphagov/add-admin-signature-unsubscribe

Add an admin feature to unsubscribe signatures

Add message about moderation delays over Christmas

Merge pull request #641 from alphagov/add-christmas-delay-message

Add message about moderation delayed over Christmas

Update the petition standards on the help page

Merge pull request #640 from alphagov/update-petition-standards

Update the petition standards

Tidy up in preparation for upgrading to Rails 5.1

• Upgrade to Rails 4.2.10
• Upgrade dependencies
• Switch to using aws-sdk for paperclip
• Add markdown formatting to petition emails
• Split out email background jobs to separate Appsignal namespace
• Prevent boolean argument to prepared statement so partial index is used
• Improve lograge configuration and ignore spammy actions
• Harden bulk signature actions against attack

Add `for` attribute to `<label>` tag so that IE considers it a click target

Don't blank out <label for> attribute

Internet Explorer needs this attribute to make the label a click target.

Add untagged options to moderation

This is to make it easier for moderators to spot petitions they've missed